feat: Flysky gimbal support for RM Boxer (#3139)

* Adds Flysky digital hall gimbal support for RadioMaster Boxer.

---------

Co-authored-by: rotorman <risto.koiva@web.de>

radio/src/hal/adc_driver.cpp

@@ -134,7 +134,8 @@ bool adcRead()
   uint16_t temp[NUM_ANALOGS] = { 0 };
 
   uint8_t first_analog_adc;
-#if defined(RADIO_FAMILY_T16) || defined(PCBNV14)
+
+#if defined(FLYSKY_GIMBAL)
     if (globalData.flyskygimbals)
     {
         first_analog_adc = FIRST_ANALOG_ADC_FS;
@@ -146,7 +147,6 @@ bool adcRead()
     first_analog_adc = FIRST_ANALOG_ADC;
 #endif
 
-
   for (int i=0; i<4; i++) {
     if (!adcSingleRead())
         return false;
@@ -267,7 +267,7 @@ void getADC()
 
   for (uint8_t x=0; x<NUM_ANALOGS; x++) {
     uint32_t v;
-#if defined(RADIO_FAMILY_T16) || defined(PCBNV14)
+#if defined(FLYSKY_GIMBAL)
     if (globalData.flyskygimbals)
     {
         if (x < 4) {