From: Peter Oberparleiter <peter.oberparleiter@de.ibm.com>

Fix for gcov patch fallout:

powerpc allmodconfig fails with

Error: External symbol '__gcov_init' referenced from prom_init.c
Error: External symbol '__gcov_merge_add' referenced from prom_init.c

Signed-off-by: Peter Oberparleiter <peter.oberparleiter@de.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 arch/powerpc/kernel/Makefile |    1 +
 1 file changed, 1 insertion(+)

diff -puN arch/powerpc/kernel/Makefile~gcov-architecture-specific-compile-flag-adjustments-powerpc-fix arch/powerpc/kernel/Makefile
--- a/arch/powerpc/kernel/Makefile~gcov-architecture-specific-compile-flag-adjustments-powerpc-fix
+++ a/arch/powerpc/kernel/Makefile
@@ -11,6 +11,7 @@ ifeq ($(CONFIG_PPC32),y)
 CFLAGS_prom_init.o      += -fPIC
 CFLAGS_btext.o		+= -fPIC
 endif
+GCOV_prom_init.o := n
 
 ifdef CONFIG_FTRACE
 # Do not trace early boot code
_