[MIPS] Kill redundant EXTRA_AFLAGS

Kill redundant EXTRA_AFLAGS added after the commit
d2af363cfb94f1bacb3e60327bc44a97881a38c2.

Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
diff --git a/arch/mips/lemote/lm2e/Makefile b/arch/mips/lemote/lm2e/Makefile
index dcaf6f4..d34671d 100644
--- a/arch/mips/lemote/lm2e/Makefile
+++ b/arch/mips/lemote/lm2e/Makefile
@@ -4,5 +4,4 @@
 
 obj-y += setup.o prom.o reset.o irq.o pci.o bonito-irq.o dbg_io.o mem.o
 
-EXTRA_AFLAGS := $(CFLAGS)
 EXTRA_CFLAGS += -Werror
diff --git a/arch/mips/sibyte/common/Makefile b/arch/mips/sibyte/common/Makefile
index f8ae300..48a91b9 100644
--- a/arch/mips/sibyte/common/Makefile
+++ b/arch/mips/sibyte/common/Makefile
@@ -2,5 +2,4 @@
 
 obj-$(CONFIG_SIBYTE_TBPROF)		+= sb_tbprof.o
 
-EXTRA_AFLAGS := $(CFLAGS)
 EXTRA_CFLAGS += -Werror