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/x86/cpu/quark/dram.c b/arch/x86/cpu/quark/dram.c
index 30f4755..7293713 100644
--- a/arch/x86/cpu/quark/dram.c
+++ b/arch/x86/cpu/quark/dram.c
@@ -8,6 +8,7 @@
 #include <errno.h>
 #include <fdtdec.h>
 #include <init.h>
+#include <log.h>
 #include <malloc.h>
 #include <asm/cache.h>
 #include <asm/mrccache.h>
diff --git a/arch/x86/cpu/quark/mrc_util.h b/arch/x86/cpu/quark/mrc_util.h
index 4a760a9..e6e69c4 100644
--- a/arch/x86/cpu/quark/mrc_util.h
+++ b/arch/x86/cpu/quark/mrc_util.h
@@ -10,6 +10,8 @@
 #ifndef _MRC_UTIL_H_
 #define _MRC_UTIL_H_
 
+#include <log.h>
+
 /* Turn on this macro to enable MRC debugging output */
 #undef  MRC_DEBUG