fix unused parameter warning in lan78xx_dump_regs()

This fixes:
  external/ethtool/lan78xx.c:5:47: error: unused parameter 'info' [-Werror,-Wunused-parameter]
  int lan78xx_dump_regs(struct ethtool_drvinfo *info, struct ethtool_regs *regs)

Signed-off-by: Maciej Żenczykowski <maze@google.com>
Change-Id: Ibc67c27248ca623e9ca8534d43c888af3cf9997b
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 2 insertions, 1 deletions

diff --git a/lan78xx.c b/lan78xx.c
index bb64e80..46ade1c 100644
--- a/lan78xx.c
+++ b/lan78xx.c
@@ -2,7 +2,8 @@
 #include <string.h>
 #include "internal.h"
 
-int lan78xx_dump_regs(struct ethtool_drvinfo *info, struct ethtool_regs *regs)
+int lan78xx_dump_regs(struct ethtool_drvinfo *info maybe_unused,
+		      struct ethtool_regs *regs)
 {
 	unsigned int *lan78xx_reg = (unsigned int *)regs->data;