ARM: dts: rockchip: fix cif1_pdn pin on rk3188-bqedison2qc

The powerdown pin for the second camera is gpio3_b5 not b4,
so fix that. We don't have a working camera setup yet, so this
is not really critical, but nevertheless better to have fixed
already.

Fixes: 36ead914 ("ARM: dts: rockchip: add BQ Edison 2 QC devicetree")
Reported-by: Johan Jonker <jbx6244@gmail.com>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>

arch/arm/boot/dts/rk3188-bqedison2qc.dts

@@ -526,7 +526,7 @@ cif0_pdn: cif0-pdn {
 		};
 
 		cif1_pdn: cif1-pdn {
-			rockchip,pins = <3 RK_PB4 RK_FUNC_GPIO &pcfg_pull_none>;
+			rockchip,pins = <3 RK_PB5 RK_FUNC_GPIO &pcfg_pull_none>;
 		};
 
 		cif_avdd_en: cif-avdd-en {