common: Drop linux/bug.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/net/fsl-mc/dpio/qbman_portal.c b/drivers/net/fsl-mc/dpio/qbman_portal.c
index 1f77f84..44ce000 100644
--- a/drivers/net/fsl-mc/dpio/qbman_portal.c
+++ b/drivers/net/fsl-mc/dpio/qbman_portal.c
@@ -6,6 +6,7 @@
 #include <log.h>
 #include <malloc.h>
 #include <asm/arch/clock.h>
+#include <linux/bug.h>
 #include "qbman_portal.h"
 
 /* QBMan portal management command codes */