[MIPS] Do not use -msym32 option for modules.

On 64-bit kernel, modules are loaded into XKSEG for now.  While XKSEG
address is not a sign-extended 32-bit address, we can not use -msym32
option.

Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
diff --git a/arch/mips/Makefile b/arch/mips/Makefile
index 641aa30..d580d46 100644
--- a/arch/mips/Makefile
+++ b/arch/mips/Makefile
@@ -63,7 +63,9 @@
 ifdef CONFIG_BUILD_ELF64
 cflags-y		+= $(call cc-option,-mno-explicit-relocs)
 else
-cflags-y		+= $(call cc-option,-msym32)
+# -msym32 can not be used for modules since they are loaded into XKSEG
+CFLAGS_MODULE		+= $(call cc-option,-mno-explicit-relocs)
+CFLAGS_KERNEL		+= $(call cc-option,-msym32)
 endif
 endif