Rebooting and flashing a node now works!

avr/utils.asm

@@ -367,13 +367,14 @@ Utils_UpdateSeedInEeprom:
 ; Read UID from EEPROM.
 ;
 ; IN:
+; - nothing
 ; OUT:
 ; - R18:R19:R20:R21: UID
 ; REGS: R16, X
 
 Utils_ReadUid:
-  in r15, SREG
   push r15
+    in r15, SREG
     cli
     ldi xl, LOW(EEPROM_OFFS_UUID)
     ldi xh, HIGH(EEPROM_OFFS_UUID)
@@ -385,8 +386,8 @@ Utils_ReadUid:
     mov r20, r16
     rcall Utils_ReadEepromIncr ; (R16)
     mov r21, r16
+    out SREG, r15
   pop r15
-  out SREG, r15
   ret