common: Drop log.h from common header

Move this header out of the common header.

Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/arch/arm/mach-omap2/emif-common.c b/arch/arm/mach-omap2/emif-common.c
index 4658f67..8bc4fbb 100644
--- a/arch/arm/mach-omap2/emif-common.c
+++ b/arch/arm/mach-omap2/emif-common.c
@@ -11,6 +11,7 @@
 #include <common.h>
 #include <hang.h>
 #include <init.h>
+#include <log.h>
 #include <net.h>
 #include <asm/emif.h>
 #include <asm/arch/clock.h>