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/intel_common/mrc.c b/arch/x86/cpu/intel_common/mrc.c
index 755670a..73bfd12 100644
--- a/arch/x86/cpu/intel_common/mrc.c
+++ b/arch/x86/cpu/intel_common/mrc.c
@@ -6,6 +6,7 @@
 #include <common.h>
 #include <dm.h>
 #include <init.h>
+#include <log.h>
 #include <syscon.h>
 #include <asm/cpu.h>
 #include <asm/gpio.h>