arm64: dts: qcom: sdm845-xiaomi-beryllium: Mark l1a regulator as powered during boot

[ Upstream commit 3b0dd81 ]

The regulator must be on, since it provides the display subsystem and
therefore the bootloader had turned it on before Linux booted.

Fixes: 77809cf ("arm64: dts: qcom: Add support for Xiaomi Poco F1 (Beryllium)")
Signed-off-by: David Heidelberg <david@ixit.cz>
Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Link: https://lore.kernel.org/r/20260320-beryllium-booton-v2-1-931d1be21eae@ixit.cz
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>

Author: okias

arch/arm64/boot/dts/qcom/sdm845-xiaomi-beryllium-common.dtsi

@@ -147,6 +147,7 @@
 			regulator-min-microvolt = <880000>;
 			regulator-max-microvolt = <880000>;
 			regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
+			regulator-boot-on;
 		};
 
 		vreg_l5a_0p8: ldo5 {