arm64: dts: qcom: sc8280xp-x13s: Fix up comments

Switch '//' comments to C-style /* */.
Signed-off-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20221107145522.6706-6-konrad.dybcio@linaro.org

arch/arm64/boot/dts/qcom/sc8280xp-lenovo-thinkpad-x13s.dts

@@ -144,7 +144,7 @@ vreg_l6b: ldo6 {
 			regulator-max-microvolt = <880000>;
 			regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
 			regulator-boot-on;
-			regulator-always-on;	// FIXME: VDD_A_EDP_0_0P9
+			regulator-always-on;	/* FIXME: VDD_A_EDP_0_0P9 */
 		};
 	};