u-boot: Fix boot and keyboard for rpi devices

u-boot v2017.07 was not able to boot a Linux kernel or handle keyboard input.
This is fixed by reverting a config change to re-enable CONFIG_OF_EMBED and
backporting another config change to enable CONFIG_DM_KEYBOARD.

Signed-off-by: Paul Barker <pbarker@toganlabs.com>

recipes-bsp/u-boot/u-boot/0001-Revert-dm-arm-rpi-Drop-CONFIG_OF_EMBED.patch

@@ -0,0 +1,67 @@
+From 46035d84eb75d54e524d068c29a42c4f562f757a Mon Sep 17 00:00:00 2001
+From: Paul Barker <pbarker@toganlabs.com>
+Date: Wed, 2 Aug 2017 11:37:30 +0100
+Subject: [PATCH 1/2] Revert "dm: arm: rpi: Drop CONFIG_OF_EMBED"
+
+This reverts commit 25877d4e4c45451c5398aec3de50e0d5befe0e9f.
+
+Signed-off-by: Paul Barker <pbarker@toganlabs.com>
+Upstream-status: Pending
+---
+ configs/rpi_2_defconfig     | 1 +
+ configs/rpi_3_32b_defconfig | 1 +
+ configs/rpi_3_defconfig     | 1 +
+ configs/rpi_defconfig       | 1 +
+ 4 files changed, 4 insertions(+)
+
+diff --git a/configs/rpi_2_defconfig b/configs/rpi_2_defconfig
+index 862203f..6aa0532 100644
+--- a/configs/rpi_2_defconfig
++++ b/configs/rpi_2_defconfig
+@@ -13,6 +13,7 @@ CONFIG_CMD_MMC=y
+ CONFIG_CMD_USB=y
+ # CONFIG_CMD_FPGA is not set
+ CONFIG_CMD_GPIO=y
++CONFIG_OF_EMBED=y
+ CONFIG_DM_MMC=y
+ CONFIG_MMC_SDHCI=y
+ CONFIG_MMC_SDHCI_BCM2835=y
+diff --git a/configs/rpi_3_32b_defconfig b/configs/rpi_3_32b_defconfig
+index 95b1677..7396925 100644
+--- a/configs/rpi_3_32b_defconfig
++++ b/configs/rpi_3_32b_defconfig
+@@ -14,6 +14,7 @@ CONFIG_CMD_MMC=y
+ CONFIG_CMD_USB=y
+ # CONFIG_CMD_FPGA is not set
+ CONFIG_CMD_GPIO=y
++CONFIG_OF_EMBED=y
+ CONFIG_DM_MMC=y
+ CONFIG_MMC_SDHCI=y
+ CONFIG_MMC_SDHCI_BCM2835=y
+diff --git a/configs/rpi_3_defconfig b/configs/rpi_3_defconfig
+index f91b53d..1b1ee67 100644
+--- a/configs/rpi_3_defconfig
++++ b/configs/rpi_3_defconfig
+@@ -14,6 +14,7 @@ CONFIG_CMD_MMC=y
+ CONFIG_CMD_USB=y
+ # CONFIG_CMD_FPGA is not set
+ CONFIG_CMD_GPIO=y
++CONFIG_OF_EMBED=y
+ CONFIG_DM_MMC=y
+ CONFIG_MMC_SDHCI=y
+ CONFIG_MMC_SDHCI_BCM2835=y
+diff --git a/configs/rpi_defconfig b/configs/rpi_defconfig
+index e2d81ab..c7cf6e0 100644
+--- a/configs/rpi_defconfig
++++ b/configs/rpi_defconfig
+@@ -13,6 +13,7 @@ CONFIG_CMD_MMC=y
+ CONFIG_CMD_USB=y
+ # CONFIG_CMD_FPGA is not set
+ CONFIG_CMD_GPIO=y
++CONFIG_OF_EMBED=y
+ CONFIG_DM_MMC=y
+ CONFIG_MMC_SDHCI=y
+ CONFIG_MMC_SDHCI_BCM2835=y
+-- 
+2.7.4
+

recipes-bsp/u-boot/u-boot/0002-rpi-Enable-USB-keyboard-support.patch

@@ -0,0 +1,71 @@
+From e4ddccdcf2360c104de502db140a2dbb90b63cfe Mon Sep 17 00:00:00 2001
+From: Simon Glass <sjg@chromium.org>
+Date: Thu, 24 Aug 2017 19:45:31 -0600
+Subject: [PATCH 2/2] rpi: Enable USB keyboard support
+
+This is currently disabled, so USB keyboards are not detected in U_Boot.
+Enable this option to fix that.
+
+Backported to v2017.07.
+
+Signed-off-by: Simon Glass <sjg@chromium.org>
+Signed-off-by: Paul Barker <pbarker@toganlabs.com>
+Upstream-status: Backport
+---
+ configs/rpi_2_defconfig     | 1 +
+ configs/rpi_3_32b_defconfig | 1 +
+ configs/rpi_3_defconfig     | 1 +
+ configs/rpi_defconfig       | 1 +
+ 4 files changed, 4 insertions(+)
+
+diff --git a/configs/rpi_2_defconfig b/configs/rpi_2_defconfig
+index 6aa0532..9851836 100644
+--- a/configs/rpi_2_defconfig
++++ b/configs/rpi_2_defconfig
+@@ -22,6 +22,7 @@ CONFIG_USB=y
+ CONFIG_DM_USB=y
+ CONFIG_USB_STORAGE=y
+ CONFIG_USB_KEYBOARD=y
++CONFIG_DM_KEYBOARD=y
+ CONFIG_DM_VIDEO=y
+ CONFIG_SYS_WHITE_ON_BLACK=y
+ CONFIG_CONSOLE_SCROLL_LINES=10
+diff --git a/configs/rpi_3_32b_defconfig b/configs/rpi_3_32b_defconfig
+index 7396925..c9bdcd7 100644
+--- a/configs/rpi_3_32b_defconfig
++++ b/configs/rpi_3_32b_defconfig
+@@ -24,6 +24,7 @@ CONFIG_USB=y
+ CONFIG_DM_USB=y
+ CONFIG_USB_STORAGE=y
+ CONFIG_USB_KEYBOARD=y
++CONFIG_DM_KEYBOARD=y
+ CONFIG_DM_VIDEO=y
+ CONFIG_SYS_WHITE_ON_BLACK=y
+ CONFIG_CONSOLE_SCROLL_LINES=10
+diff --git a/configs/rpi_3_defconfig b/configs/rpi_3_defconfig
+index 1b1ee67..e9c9806 100644
+--- a/configs/rpi_3_defconfig
++++ b/configs/rpi_3_defconfig
+@@ -24,6 +24,7 @@ CONFIG_USB=y
+ CONFIG_DM_USB=y
+ CONFIG_USB_STORAGE=y
+ CONFIG_USB_KEYBOARD=y
++CONFIG_DM_KEYBOARD=y
+ CONFIG_DM_VIDEO=y
+ CONFIG_SYS_WHITE_ON_BLACK=y
+ CONFIG_CONSOLE_SCROLL_LINES=10
+diff --git a/configs/rpi_defconfig b/configs/rpi_defconfig
+index c7cf6e0..59d8c58 100644
+--- a/configs/rpi_defconfig
++++ b/configs/rpi_defconfig
+@@ -22,6 +22,7 @@ CONFIG_USB=y
+ CONFIG_DM_USB=y
+ CONFIG_USB_STORAGE=y
+ CONFIG_USB_KEYBOARD=y
++CONFIG_DM_KEYBOARD=y
+ CONFIG_DM_VIDEO=y
+ CONFIG_SYS_WHITE_ON_BLACK=y
+ CONFIG_CONSOLE_SCROLL_LINES=10
+-- 
+2.7.4
+

recipes-bsp/u-boot/u-boot_%.bbappend

@@ -1 +1,8 @@
+FILESEXTRAPATHS_prepend := "${THISDIR}/u-boot:"
+
+SRC_URI_append_rpi = " \
+    file://0001-Revert-dm-arm-rpi-Drop-CONFIG_OF_EMBED.patch \
+    file://0002-rpi-Enable-USB-keyboard-support.patch \
+    "
+
 RDEPENDS_${PN}_append_rpi = " rpi-u-boot-scr"