board: ti: dra76: mux wakeup2 as gpio1_2

gpio1_2 is used for HPD interrupt with DRA76's DVI add-on board, so mux
the pin as gpio and PIN_INPUT.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
diff --git a/board/ti/dra7xx/mux_data.h b/board/ti/dra7xx/mux_data.h
index 3c3a19a..b5dcaa5 100644
--- a/board/ti/dra7xx/mux_data.h
+++ b/board/ti/dra7xx/mux_data.h
@@ -882,7 +882,7 @@
 	{I2C2_SCL, (M1 | PIN_INPUT_PULLUP)},	/* i2c2_scl.hdmi1_ddc_sda */
 	{WAKEUP0, (M14 | PIN_OUTPUT)},	/* N/A.gpio1_0 */
 	{WAKEUP1, (M14 | PIN_OUTPUT)},	/* N/A.gpio1_1 */
-	{WAKEUP2, (M1 | PIN_OUTPUT)},	/* N/A.sys_nirq2 */
+	{WAKEUP2, (M14 | PIN_INPUT)},	/* N/A.gpio1_2 */
 	{WAKEUP3, (M1 | PIN_OUTPUT)},	/* N/A.sys_nirq1 */
 };