net: merge bugfix: Marvell Kirkwood gigabit ethernet driver

This patch looks okay on u-boot-net.git/next branch
but when it was merged to u-boot.git/master the last line is missing

Signed-off-by: Prafulla Wadaskar <prafulla@marvell.com>
Acked-by: Ben Warren <biggerbadderben@gmail.com>

drivers/net/kirkwood_egiga.c

@@ -662,3 +662,4 @@ int kirkwood_egiga_initialize(bd_t * bis)
 #endif
 	}
 	return 0;
+}