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/lg4573.c b/drivers/video/lg4573.c
index 74a2388..8b458e2 100644
--- a/drivers/video/lg4573.c
+++ b/drivers/video/lg4573.c
@@ -9,6 +9,7 @@
 #include <command.h>
 #include <display.h>
 #include <dm.h>
+#include <log.h>
 #include <dm/read.h>
 #include <dm/uclass-internal.h>
 #include <errno.h>