emerald: push vendor tree 22.2

proprietary/vendor/firmware/fm_cust.cfg

@@ -0,0 +1,10 @@
+[FM Radio]
+#FM RX RSSI threshold setting
+FM_RX_RSSI_TH_LONG = -296
+FM_RX_RSSI_TH_SHORT = -296
+FM_RX_DESENSE_RSSI = -240
+FM_RX_SMG_TH = 16421
+#deemphasis: 0-50us, China Mainland; 1-75us China Taiwan
+FM_RX_DEEMPHASIS = 0
+#osc freq: 0-26MHz; 1-19MHz; 2-24MHz; 3-38.4MHz; 4-40MHz; 5-52MHz
+FM_RX_OSC_FREQ = 0