[PATCH master] net: fsl_enetc: fix missing dmb() symbols on non-ARM

[Ahmad Fatoum]

The driver uses dmb(), which we only define on ARM systems, add a stub
to allow the driver to build.

Signed-off-by: Ahmad Fatoum <a.fatoum at pengutronix.de>
---
 drivers/net/fsl_enetc.c | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/drivers/net/fsl_enetc.c b/drivers/net/fsl_enetc.c
index df5a9a4c0bf8..174c2ed0451d 100644
--- a/drivers/net/fsl_enetc.c
+++ b/drivers/net/fsl_enetc.c
@@ -10,11 +10,17 @@
 #include <linux/pci.h>
 #include <linux/io.h>
 #include <linux/mdio.h>
-#include <asm/system.h>
 #include <of_net.h>
 #include <asm/unaligned.h>
 #include <io-64-nonatomic-lo-hi.h>
 
+#ifdef CONFIG_ARM
+#include <asm/system.h>
+#else
+#include <linux/bug.h>
+#define dmb()	BUG()
+#endif
+
 #include "fsl_enetc.h"
 
 /* MDIO wrappers, we're using these to drive internal MDIO to get to serdes */
-- 
2.47.3