mips: Remove common.h usage

We can remove common.h from most cases of the code here, and only a few
places need an additional header instead.

Signed-off-by: Tom Rini <trini@konsulko.com>
diff --git a/arch/mips/mach-mscc/include/mach/ddr.h b/arch/mips/mach-mscc/include/mach/ddr.h
index 75fb3ca..3ba33d2 100644
--- a/arch/mips/mach-mscc/include/mach/ddr.h
+++ b/arch/mips/mach-mscc/include/mach/ddr.h
@@ -6,6 +6,7 @@
 #ifndef __ASM_MACH_DDR_H
 #define __ASM_MACH_DDR_H
 
+#include <config.h>
 #include <asm/cacheops.h>
 #include <asm/io.h>
 #include <asm/reboot.h>