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/drivers/video/imx/mxc_ipuv3_fb.c b/drivers/video/imx/mxc_ipuv3_fb.c
index f8ed0a9..4044473 100644
--- a/drivers/video/imx/mxc_ipuv3_fb.c
+++ b/drivers/video/imx/mxc_ipuv3_fb.c
@@ -11,6 +11,7 @@
  */
 
 #include <common.h>
+#include <log.h>
 #include <part.h>
 #include <asm/cache.h>
 #include <linux/errno.h>