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/tegra124/dp.c b/drivers/video/tegra124/dp.c
index 73e0651..e90210b 100644
--- a/drivers/video/tegra124/dp.c
+++ b/drivers/video/tegra124/dp.c
@@ -9,6 +9,7 @@
 #include <dm.h>
 #include <div64.h>
 #include <errno.h>
+#include <log.h>
 #include <video_bridge.h>
 #include <asm/io.h>
 #include <asm/arch-tegra/dc.h>