Add GPIO_DETECT_PA portduino config, and support 13302 detection with it (#9741)

* Add GPIO_DETECT_PA portduino config, and support 13302 detection with it.

* Tweak PA detect gpio to use pinMapping

* minor yaml output fixes

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Co-authored-by: Ben Meadors <benmmeadors@gmail.com>

bin/config.d/lora-hat-rak-6421-pi-hat.yaml

@@ -9,3 +9,5 @@ Lora:
   DIO3_TCXO_VOLTAGE: true
   DIO2_AS_RF_SWITCH: true
   spidev: spidev0.0
+  GPIO_DETECT_PA: 13
+  TX_GAIN_LORA: [8, 8, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 9, 8, 8, 7]

bin/config.d/lora-usb-umesh-1262-30dbm.yaml

@@ -13,8 +13,7 @@ Lora:
 #  USB_Serialnum: 12345678
   SX126X_MAX_POWER: 22
 # Reduce output power to improve EMI
-  NUM_PA_POINTS: 22
-  TX_GAIN_LORA: 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 9, 8, 8, 7
+  TX_GAIN_LORA: [12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 9, 8, 8, 7]
 # Note: This module integrates an additional PA to achieve higher output power.
 # The 'power' parameter here does not represent the actual RF output.
 # TX_GAIN_LORA defines the gain offset applied at each SX1262 input power step (1–22 dBm).

bin/config.d/lora-usb-umesh-1268-30dbm.yaml

@@ -13,8 +13,7 @@ Lora:
 #  USB_Serialnum: 12345678
   SX126X_MAX_POWER: 22
 # Reduce output power to improve EMI
-  NUM_PA_POINTS: 22
-  TX_GAIN_LORA: 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 9, 8, 8, 7
+  TX_GAIN_LORA: [12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 9, 8, 8, 7]
 # Note: This module integrates an additional PA to achieve higher output power.
 # The 'power' parameter here does not represent the actual RF output.
 # TX_GAIN_LORA defines the gain offset applied at each SX1262 input power step (1–22 dBm).