sh: support older gcc's

Make my version of gcc happy.
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>

arch/sh/Makefile

@@ -39,7 +39,7 @@ cflags-$(CONFIG_CPU_SH2A)		:= -m2a $(call cc-option,-m2a-nofpu,)
 cflags-$(CONFIG_CPU_SH3)		:= -m3
 cflags-$(CONFIG_CPU_SH4)		:= -m4 \
 	$(call cc-option,-mno-implicit-fp,-m4-nofpu)
-cflags-$(CONFIG_CPU_SH4A)		:= -m4a $(call cc-option,-m4a-nofpu,)
+cflags-$(CONFIG_CPU_SH4A)		:= $(call cc-option,-m4a,) $(call cc-option,-m4a-nofpu,)
 
 cflags-$(CONFIG_CPU_BIG_ENDIAN)		+= -mb
 cflags-$(CONFIG_CPU_LITTLE_ENDIAN)	+= -ml