sm7250-common: drop unused radio properties

* move Atfwd client prop to system
* checkout to LA.UM.9.12.r1-14200.02-SMxx50.QSSI12.0

Signed-off-by: Sandeep-FED <sandymankara11@gmail.com>

system.prop

@@ -15,6 +15,9 @@ audio.offload.min.duration.secs=30
 persist.vendor.audio.hac.enable=false
 persist.vendor.audio_hal.dsp_bit_width_enforce_mode=24
 
+# Atfwd client
+persist.vendor.radio.atfwd.start=true
+
 # Bluetooth
 persist.vendor.btstack.enable.lpa=true
 persist.vendor.btstack.enable.twsplus=true
@@ -84,6 +87,7 @@ ro.vendor.qti.core_ctl_min_cpu=2
 # Radio
 persist.sys.fflag.override.settings_provider_model=false
 ro.telephony.default_network=33,33
+telephony.lteOnCdmaDevice=1
 
 # Touchscreen
 persist.vendor.qti.inputopts.enable=true