imx: ventana: fix GW5903 VDD_ARM rail

Signed-off-by: Tim Harvey <tharvey@gateworks.com>
diff --git a/board/gateworks/gw_ventana/common.c b/board/gateworks/gw_ventana/common.c
index ec04060..56a7b3e 100644
--- a/board/gateworks/gw_ventana/common.c
+++ b/board/gateworks/gw_ventana/common.c
@@ -1325,6 +1325,12 @@
 			pmic_reg_write(p, LTC3676_DVB3A, 0x1f);
 			break;
 		case GW5903:
+			/* mask PGOOD during SW1 transition */
+			pmic_reg_write(p, LTC3676_DVB3B,
+				       0x1f | LTC3676_PGOOD_MASK);
+			/* set SW3 (VDD_ARM) */
+			pmic_reg_write(p, LTC3676_DVB3A, 0x1f);
+
 			/* mask PGOOD during SW4 transition */
 			pmic_reg_write(p, LTC3676_DVB4B,
 				       0x1f | LTC3676_PGOOD_MASK);