feat(boot): Now using GNU objcopy instead of mot2bin for building ROM images

code/boot/makefile

@@ -23,7 +23,7 @@ INCS     := $(wildcard $(SRCDIR)*.inc)
 
 AS  := lwasm
 LD  := lwlink
-FIX := mot2bin
+FIX := objcopy
 
 ASFLAGS := -f obj
 LDFLAGS := -f srec -m map.txt -s linkscript
@@ -36,7 +36,7 @@ all: $(TARGROM)
 
 # Fix srec into flashable bin file
 $(TARGROM): $(TARGREC)
-	$(FIX) -out $@ $<
+	$(FIX) -I srec -O binary $< $@
 
 # Link objects
 $(TARGREC): $(OBJS)