socfpga: fix broken build if CONFIG_ETH_DESIGNWARE disabled

Building without ethernet driver doesn't work. Fix it.

Signed-off-by: Anatolij Gustschin <agust@denx.de>
Cc: Marek Vasut <marex@denx.de>

arch/arm/mach-socfpga/misc.c

@@ -172,7 +172,7 @@ static int socfpga_eth_reset(void)
 #else
 static int socfpga_eth_reset(void)
 {
-	return 0
+	return 0;
 };
 #endif