Corrected sleep functions after @tekka changed definitions in MyHw.h

Author: tbowmo

libraries/MySensors/core/MyHwSAMD.cpp

@@ -116,15 +116,15 @@ void hwSleep(unsigned long ms) {
   ms = ms + 1;
 }
 
-bool hwSleep(uint8_t interrupt, uint8_t mode, unsigned long ms) {
+int8_t hwSleep(uint8_t interrupt, uint8_t mode, unsigned long ms) {
   // TODO: Not supported!
   interrupt = interrupt;
   mode = mode;
   ms = ms;
 	return false;
 }
 
-uint8_t hwSleep(uint8_t interrupt1, uint8_t mode1, uint8_t interrupt2, uint8_t mode2, unsigned long ms) {
+int8_t hwSleep(uint8_t interrupt1, uint8_t mode1, uint8_t interrupt2, uint8_t mode2, unsigned long ms) {
   // TODO: Not supported!
   interrupt1 = interrupt1;
   mode1 = mode1;