[Feature][ZXW-36]add poweron&poweroff

Change-Id: I3b0f7dbaf8e9a0fce02ffe8e06383007d003579a
diff --git a/boot/common/src/uboot/board/zte/zx297520v3/zx297520v3_vehicle_dc.c b/boot/common/src/uboot/board/zte/zx297520v3/zx297520v3_vehicle_dc.c
index 5b7848d..698a6de 100755
--- a/boot/common/src/uboot/board/zte/zx297520v3/zx297520v3_vehicle_dc.c
+++ b/boot/common/src/uboot/board/zte/zx297520v3/zx297520v3_vehicle_dc.c
@@ -371,7 +371,9 @@
 	}
 */
 #if 1
-	zx234290_set_softon(1);
+	//xf.li@20230526 add for ZXW-36 start
+	//zx234290_set_softon(1);
+	//xf.li@20230526 add for ZXW-36 end
 #else
 	zx234290_set_softon(0);
 	pmu_pull_off_ps_hold();