arm64: dts: rockchip: add headphone detection by codec for RK3308 EVB

This patch using codec detect headphone via simple-card on
RK3308 EVB, it needs add the default widgets "Headphones"
for registering soc-jack.

Change-Id: I9819aa05e8d186d32d9363cfe619782783c67dd0
Signed-off-by: Xing Zheng <zhengxing@rock-chips.com>

Author: acgzx

arch/arm64/boot/dts/rockchip/rk3308-evb-v10.dtsi

@@ -107,6 +107,9 @@
 		simple-audio-card,format = "i2s";
 		simple-audio-card,name = "rockchip,rk3308-acodec";
 		simple-audio-card,mclk-fs = <256>;
+		simple-audio-card,codec-hp-det;
+		simple-audio-card,widgets =
+			"Headphone", "Headphones";
 		simple-audio-card,cpu {
 			sound-dai = <&i2s_8ch_2>;
 		};