common: Remove <common.h> and add needed includes

Remove <common.h> from all "commmon/" files and when needed add
missing include files directly.

Signed-off-by: Tom Rini <trini@konsulko.com>

include/ddr_spd.h

@@ -6,6 +6,8 @@
 #ifndef _DDR_SPD_H_
 #define _DDR_SPD_H_
 
+#include <linux/types.h>
+
 /*
  * Format from "JEDEC Standard No. 21-C,
  * Appendix D: Rev 1.0: SPD's for DDR SDRAM