[PATCH] powerpc: Add CONFIG_DEFAULT_UIMAGE to build a uImage by default for a board

Embedded boards that u-boot require a kernel image in the uImage format.
This allows a given board to specify it wants a uImage built by default.

Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
index 8aa39d0..fb0dcb9 100644
--- a/arch/powerpc/Kconfig
+++ b/arch/powerpc/Kconfig
@@ -83,6 +83,12 @@
 	default y if PPC32 && SMP
 	default n
 
+config DEFAULT_UIMAGE
+	bool
+	help
+	  Used to allow a board to specify it wants a uImage built by default
+	default n
+
 menu "Processor support"
 choice
 	prompt "Processor Type"