ARM: dts: qcom: apq8064: use new compatible for SFPB device

Use new SoC-specific compatible for the SFPB device node in addition to
the "syscon" compatible.

Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Link: https://lore.kernel.org/r/20250318-fix-nexus-4-v2-8-bcedd1406790@oss.qualcomm.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>

Author: lumag

arch/arm/boot/dts/qcom/qcom-apq8064.dtsi

@@ -1086,7 +1086,7 @@
 		};
 
 		mmss_sfpb: syscon@5700000 {
-			compatible = "syscon";
+			compatible = "qcom,apq8064-mmss-sfpb", "syscon";
 			reg = <0x5700000 0x70>;
 		};