Implement an ARCH_PACKAGES variable which defaults to BOARD but can be overridden on a per-subtarget basis. This is intended for targets such as adm5120 and malta which support both big and little endianess and will replace the target specific exceptions in package-defaults and Image Builder.

SVN-Revision: 23029

include/package-defaults.mk

@@ -23,10 +23,10 @@ define Package/Default
   else
     VERSION:=$(PKG_RELEASE)
   endif
-  ifneq ($(CONFIG_TARGET_adm5120),y)
-    PKGARCH:=$(BOARD)
+  ifneq ($(ARCH_PACKAGES),)
+    PKGARCH:=$(ARCH_PACKAGES)
   else
-    PKGARCH:=$(BOARD)_$(ARCH)
+    PKGARCH:=$(BOARD)
   endif
   PRIORITY:=optional
   DEFAULT:=