Fix asavr command for asavr 5.50

firmware/Makefile

@@ -9,11 +9,6 @@ ifeq ($(MCU),t212)
 # attiny212 flash 0x0000-0x07ff
 CRC16ADDR=0x07fe
 DEFSFILE=tn212def.asm
-else ifeq ($(MCU),t412)
-# attiny412 flash 0x0000-0x0fff
-CRC16ADDR=0x0ffe
-DEFSFILE=tn412def.asm
-else
 $(error Unrecognized MCU value)
 endif
 
@@ -28,7 +23,7 @@ program: $(PROJECT_FLASH).hex $(PROJECT_FUSES).hex
 
 $(PROJECT_FLASH).hex: main.asm
 	# add -i ".list" before -i ".include '$(DEFSFILE)'" to see it in the listing output
-	asavr -l -p -w -i ".include '$(DEFSFILE)'" -o $(PROJECT_FLASH) main.asm
+	asavr -l -p -w -i ".include '$(DEFSFILE)'" $(PROJECT_FLASH) main.asm
 	aslink -i $(PROJECT_FLASH)
 	# srec_cat adds crc16 (requires srecord 1.64 or later)
 	srec_cat $(PROJECT_FLASH).ihx -intel -CRC16_Big_Endian $(CRC16ADDR) -broken -o $(PROJECT_FLASH).hex -intel -line-length=76 -crlf