[Taranis] New board revision. Betas are PCBREV=REV4a, production are PCB=REV4

[Taranis] FrSky module alarms removed
[Taranis/sky9x] Multilanguages (only en, fr, it)
[sky9x] Compilation error fixed

src/eeprom_rlc.cpp

@@ -1003,6 +1003,16 @@ void eeReadAll()
   }
 
   stickMode = g_eeGeneral.stickMode;
+
+#if defined(CPUARM)
+  for (uint8_t i=0; languagePacks[i]!=NULL; i++) {
+    if (!strncmp(g_eeGeneral.ttsLanguage, languagePacks[i]->id, 2)) {
+      currentLanguagePackIdx = i;
+      currentLanguagePack = languagePacks[i];
+    }
+  }
+#endif
+
 #if !defined(CPUARM)
   eeLoadModel(g_eeGeneral.currModel);
 #endif