sm8250-common: use moto way of setting dual sim

vendor.prop

@@ -187,7 +187,6 @@ ro.vendor.qspm.enable=true
 persist.vendor.qcomsysd.enabled=1
 
 # Radio
-persist.radio.multisim.config=dsds
 persist.vendor.data.iwlan.enable=true
 persist.vendor.radio.0x9e_not_callname=1
 persist.vendor.radio.add_power_save=1
@@ -219,6 +218,7 @@ persist.vendor.radio.sib16_support=1
 persist.vendor.radio.start_ota_daemon=0
 persist.vendor.radio.sw_mbn_update=0
 rild.libpath=/vendor/lib64/libril-qc-hal-qmi.so
+ro.vendor.hw.dualsim=true
 ro.vendor.radio.imei.sv=1
 
 # Sensors