Enhanced RPM build process to make rpm for any given platform

- Currently default rpm.spec only look for  "install-vpp-native"

Change-Id: Iaa78c46ae62d2747bda6ffc1189cb8ac6d578bd8
Signed-off-by: Sachin <sachin.saxena@nxp.com>

build-data/platforms.mk

@@ -72,6 +72,7 @@ install-rpm: $(patsubst %,%-find-source,$(ROOT_PACKAGES))
 	      $(ROOT_PACKAGES))	|| exit 1;				\
 									\
 	cd rpm ;							\
-	rpmbuild -bb --define "_topdir $$PWD"  vpp.spec ; 		\
+	rpmbuild -bb --define "_topdir $$PWD" --define			\
+		"_install_dir $(INSTALL_PREFIX)$(ARCH)" vpp.spec ;	\
 	mv $$(find RPMS -name \*.rpm -type f) ..
 

build-root/rpm/vpp.spec

@@ -1,4 +1,4 @@
-%define _vpp_install_dir ../install-vpp-native
+%define _vpp_install_dir ../%{_install_dir}
 %define _vpp_build_dir   ../build-tool-native
 %define _unitdir         /lib/systemd/system
 %define _topdir          %(pwd)