feat: Add initial Jumper T20 support (#3726)

* Jumper T20

* Fix center beeps

* Add option to pinch top trim as well to bootloader

* chore: Regenerate yaml

* chore: Add entry for Buddy

* Jumper T20

* Foldable section for fonction swith and fix preflight pot checks

* Remove duplicated entry

* Rename "function switches" to "customizable switches"

* chore: Add translations

* chore: Update translations

* chore: Update Companion translations/wording

radio/src/targets/common/arm/stm32/bootloader/boot.cpp

@@ -48,6 +48,10 @@
   #define BOOTLOADER_KEYS                 0x42
 #endif
 
+#if defined(RADIO_T20)
+  #define SECONDARY_BOOTLOADER_KEYS       0x1200
+#endif
+
 #define APP_START_ADDRESS               (uint32_t)(FIRMWARE_ADDRESS + BOOTLOADER_SIZE)
 
 #if defined(EEPROM)
@@ -266,7 +270,11 @@ void bootloaderInitApp()
   if ((~(KEYS_GPIO_REG_BIND->IDR) & KEYS_GPIO_PIN_BIND) == false) {
 #else
   // LHR & RHL trims not pressed simultanously
+#if defined(SECONDARY_BOOTLOADER_KEYS)
+  if (readTrims() != BOOTLOADER_KEYS && readTrims() != SECONDARY_BOOTLOADER_KEYS) {
+#else
   if (readTrims() != BOOTLOADER_KEYS) {
+#endif
 #endif
     // Start main application
     jumpTo(APP_START_ADDRESS);