arm64: dts: qcom: sm8550-mtp: Add missing supply for L1B regulator

Even though currently there is no consumer for L1B, add the supply
for it anyway.

Fixes: 71342fb ("arm64: dts: qcom: Add base SM8550 MTP dts")
Signed-off-by: Abel Vesa <abel.vesa@linaro.org>
Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Link: https://lore.kernel.org/r/20230801095246.2884770-1-abel.vesa@linaro.org
Signed-off-by: Bjorn Andersson <andersson@kernel.org>

arch/arm64/boot/dts/qcom/sm8550-mtp.dts

@@ -195,6 +195,7 @@
 
 		vdd-bob1-supply = <&vph_pwr>;
 		vdd-bob2-supply = <&vph_pwr>;
+		vdd-l1-l4-l10-supply = <&vreg_s6g_1p8>;
 		vdd-l2-l13-l14-supply = <&vreg_bob1>;
 		vdd-l3-supply = <&vreg_s4g_1p3>;
 		vdd-l5-l16-supply = <&vreg_bob1>;