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>

common/console.c

@@ -19,6 +19,7 @@
 #include <exports.h>
 #include <env_internal.h>
 #include <watchdog.h>
+#include <linux/delay.h>
 
 DECLARE_GLOBAL_DATA_PTR;