arm64: dts: qcom: pm660: Use unique ADC5_VCOIN address in node name

The register address in the node name is shadowing vph_pwr@83, whereas
the ADC5_VCOIN register resolves to 0x85.  Fix this copy-paste
discrepancy.

Fixes: 4bf09754 ("arm64: dts: qcom: pm660: Add VADC and temp alarm nodes")
Signed-off-by: Marijn Suijten <marijn.suijten@somainline.org>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@somainline.org>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20220926190148.283805-3-marijn.suijten@somainline.org

arch/arm64/boot/dts/qcom/pm660.dtsi

@@ -163,7 +163,7 @@ vadc_vph_pwr: vph_pwr@83 {
 				qcom,pre-scaling = <1 3>;
 			};
 
-			vcoin: vcoin@83 {
+			vcoin: vcoin@85 {
 				reg = <ADC5_VCOIN>;
 				qcom,decimation = <1024>;
 				qcom,pre-scaling = <1 3>;