arm: socfpga: Fix i2c mux on cyclone5-socdk board

Updated pinmux group GENERALIO[15-16] for i2c.

Signed-off-by: Chin Liang See <clsee@altera.com>
Cc: Dinh Nguyen <dinguyen@opensource.altera.com>
Cc: Dinh Nguyen <dinh.linux@gmail.com>
Cc: Pavel Machek <pavel@denx.de>
Cc: Marek Vasut <marex@denx.de>
Cc: Stefan Roese <sr@denx.de>
Cc: shengjiangwu <shengjiangwu@icloud.com>

board/altera/cyclone5-socdk/qts/pinmux_config.h

@@ -55,8 +55,8 @@ const u8 sys_mgr_init_table[] = {
 	0, /* GENERALIO12 */
 	2, /* GENERALIO13 */
 	2, /* GENERALIO14 */
-	0, /* GENERALIO15 */
-	0, /* GENERALIO16 */
+	3, /* GENERALIO15 */
+	3, /* GENERALIO16 */
 	2, /* GENERALIO17 */
 	2, /* GENERALIO18 */
 	0, /* GENERALIO19 */