arm64: dts: qcom: sa8775p: pmic: remove the PON modes

On this PMIC, the PON peripheral does not provide passing reboot modes
over HLOS. They must be passed over SDAM. Remove the reboot-mode
properties as we'll provide a proper SDAM node in a later commit.

Fixes: d2d9a592 ("arm64: dts: qcom: sa8775p: add the Power On device node")
Signed-off-by: Parikshit Pareek <quic_ppareek@quicinc.com>
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20230417145536.414490-2-brgl@bgdev.pl

arch/arm64/boot/dts/qcom/sa8775p-pmics.dtsi

@@ -108,8 +108,6 @@ pmm8654au_0_pon: pon@1200 {
 			compatible = "qcom,pmk8350-pon";
 			reg = <0x1200>, <0x800>;
 			reg-names = "hlos", "pbs";
-			mode-recovery = <0x1>;
-			mode-bootloader = <0x2>;
 
 			pmm8654au_0_pon_pwrkey: pwrkey {
 				compatible = "qcom,pmk8350-pwrkey";