powerpc: Work around little endian gcc bug

Temporarily work around an ICE we are seeing while building
in little endian mode:

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57134

Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>

arch/powerpc/Makefile

@@ -66,7 +66,7 @@ endif
 UTS_MACHINE := $(OLDARCH)
 
 ifeq ($(CONFIG_CPU_LITTLE_ENDIAN),y)
-override CC	+= -mlittle-endian
+override CC	+= -mlittle-endian -mno-strict-align
 override AS	+= -mlittle-endian
 override LD	+= -EL
 override CROSS32CC += -mlittle-endian