arm64: dts: qcom: apq8016-sbc: fix mpps state names

The majority of device tree nodes for mpps use xxxx-state as pinctrl
nodes. Change names of mpps pinctrl nodes for the apq8016-sbc board to
follow that pattern.
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20211008012524.481877-13-dmitry.baryshkov@linaro.org

arch/arm64/boot/dts/qcom/apq8016-sbc.dtsi

@@ -821,7 +821,7 @@ &pm8916_mpps {
 	pinctrl-names = "default";
 	pinctrl-0 = <&ls_exp_gpio_f>;
 
-	ls_exp_gpio_f: pm8916-mpp4 {
+	ls_exp_gpio_f: pm8916-mpp4-state {
 		pins = "mpp4";
 		function = "digital";
 
@@ -829,7 +829,7 @@ ls_exp_gpio_f: pm8916-mpp4 {
 		power-source = <PM8916_MPP_L5>;	// 1.8V
 	};
 
-	pm8916_mpps_leds: pm8916-mpps-leds {
+	pm8916_mpps_leds: pm8916-mpps-state {
 		pins = "mpp2", "mpp3";
 		function = "digital";