ARM: dts: qcom: sdx55: do not use underscore in BCM node name

Align BCM voter node with DT schema by using hyphen instead of
underscore.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20220411085935.130072-1-krzysztof.kozlowski@linaro.org

arch/arm/boot/dts/qcom-sdx55.dtsi

@@ -770,7 +770,7 @@ rpmhpd_opp_turbo_l1: opp10 {
 				};
 			};
 
-			apps_bcm_voter: bcm_voter {
+			apps_bcm_voter: bcm-voter {
 				compatible = "qcom,bcm-voter";
 			};
 		};