Fix compile warnings

lib/default/TasmotaWire/src/core_esp8266_si2c.cpp

@@ -112,7 +112,7 @@ void Twi::init(unsigned char sda, unsigned char scl) {
   twi_setClockStretchLimit(150000L); // default value is 150 mS
 }
 
-void ICACHE_RAM_ATTR Twi::busywait(unsigned int v) {
+void Twi::busywait(unsigned int v) {
   unsigned int i;
   for (i = 0; i < v; i++) {  // loop time is 5 machine cycles: 31.25ns @ 160MHz, 62.5ns @ 80MHz
     asm("nop"); // minimum element to keep GCC from optimizing this function out.

lib/lib_basic/IRremoteESP8266/IRremoteESP8266/src/IRac.cpp

@@ -379,10 +379,12 @@ bool IRac::isProtocolSupported(const decode_type_t protocol) {
 #if SEND_WHIRLPOOL_AC
     case decode_type_t::WHIRLPOOL_AC:
 #endif
-      return true;
+//      return true;
+      break;
     default:
       return false;
   }
+  return true;
 }
 
 #if SEND_AIRTON