[MIPS] Move some kernel globals from asm file to C file.

This get rid of some undesirable hole in BSS section due to random
order of placement.

Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

arch/mips/kernel/setup.c

@@ -563,3 +563,6 @@ int __init dsp_disable(char *s)
 }
 
 __setup("nodsp", dsp_disable);
+
+unsigned long kernelsp[NR_CPUS];
+unsigned long fw_arg0, fw_arg1, fw_arg2, fw_arg3;