common: Drop linux/delay.h from common header

Move this uncommon header out of the common header.

Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/drivers/video/bridge/video-bridge-uclass.c b/drivers/video/bridge/video-bridge-uclass.c
index bd6635e..389b02c 100644
--- a/drivers/video/bridge/video-bridge-uclass.c
+++ b/drivers/video/bridge/video-bridge-uclass.c
@@ -10,6 +10,7 @@
 #include <edid.h>
 #include <log.h>
 #include <video_bridge.h>
+#include <linux/delay.h>
 
 int video_bridge_set_backlight(struct udevice *dev, int percent)
 {