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/ldpaa_eth/ldpaa_eth.c b/drivers/net/ldpaa_eth/ldpaa_eth.c
index 8327fd7..66bfafe 100644
--- a/drivers/net/ldpaa_eth/ldpaa_eth.c
+++ b/drivers/net/ldpaa_eth/ldpaa_eth.c
@@ -14,6 +14,7 @@
 #include <hwconfig.h>
 #include <phy.h>
 #include <miiphy.h>
+#include <linux/bug.h>
 #include <linux/compat.h>
 #include <fsl-mc/fsl_dpmac.h>