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/broadwell/me.c b/arch/x86/cpu/broadwell/me.c
index adc656c..7991e1e 100644
--- a/arch/x86/cpu/broadwell/me.c
+++ b/arch/x86/cpu/broadwell/me.c
@@ -7,6 +7,7 @@
 
 #include <common.h>
 #include <errno.h>
+#include <log.h>
 #include <asm/arch/me.h>
 
 static inline void me_read_dword_ptr(struct udevice *dev, void *ptr, int offset)