arm64: dts: rockchip: Enable vepu node for rk3588 boards

Fixes: 94a5dd9f32 ("arm64: dts: rockchip: add vepu support and separate jpege for rk3588")
Signed-off-by: Yandong Lin <yandong.lin@rock-chips.com>
Change-Id: Idc14891685c81f0103477d264d44a58585756cd5

arch/arm64/boot/dts/rockchip/rk3588s-tablet.dtsi

@@ -1267,6 +1267,10 @@
 	status = "okay";
 };
 
+&vepu {
+	status = "okay";
+};
+
 &vop {
 	status = "okay";
 };