make: Reduce build output

Default to silent builds, only outputting the file being generated. This
gives output similar to Linux/coreboot output when building. `VERBOSE=1`
can be passed to show the actual commands.

Signed-off-by: Tim Crawford <tcrawford@system76.com>

src/arch/8051/toolchain.mk

@@ -31,22 +31,26 @@ sim: $(BUILD)/ec.rom
 
 # Convert from Intel Hex file to binary file
 $(BUILD)/ec.rom: $(BUILD)/ec.ihx
-	@mkdir -p $(@D)
+	@echo "  OBJCOPY   $(subst $(obj)/,,$@)"
+	mkdir -p $(@D)
 	objcopy -I ihex -O binary --gap-fill=0xFF $< $@
 
 # Link object files into Intel Hex file
 $(BUILD)/ec.ihx: $(OBJ)
-	@mkdir -p $(@D)
+	@echo "  LINK      $(subst $(obj)/,,$@)"
+	mkdir -p $(@D)
 	$(CC) $(LDFLAGS) -o $@ $^
 
 # Compile ASM files into object files
 $(ASM_OBJ): $(BUILD)/%.rel: src/%.asm
-	@mkdir -p $(@D)
+	@echo "  AS        $(subst $(obj)/,,$@)"
+	mkdir -p $(@D)
 	$(AS) $(ASFLAGS) $@ $<
 
 # Compile C files into object files
 $(C_OBJ): $(BUILD)/%.rel: src/%.c $(INCLUDE)
-	@mkdir -p $(@D)
+	@echo "  CC        $(subst $(obj)/,,$@)"
+	mkdir -p $(@D)
 	$(CC) $(CFLAGS) -o $@ -c $<
 
 # Add dependency rules

src/arch/avr/toolchain.mk

@@ -19,22 +19,26 @@ sim: $(BUILD)/ec.elf
 
 # Convert from Intel Hex file to binary file
 $(BUILD)/ec.rom: $(BUILD)/ec.ihx
-	@mkdir -p $(@D)
+	@echo "  OBJCOPY   $(subst $(obj)/,,$@)"
+	mkdir -p $(@D)
 	$(OBJCOPY) -I ihex -O binary --gap-fill 0xFF $< $@
 
 # Convert from ELF file to Intel Hex file
 $(BUILD)/ec.ihx: $(BUILD)/ec.elf
-	@mkdir -p $(@D)
+	@echo "  OBJCOPY   $(subst $(obj)/,,$@)"
+	mkdir -p $(@D)
 	$(OBJCOPY) -j .text -j .data -O ihex $< $@
 
 # Link object files into ELF file
 $(BUILD)/ec.elf: $(OBJ)
-	@mkdir -p $(@D)
+	@echo "  LINK      $(subst $(obj)/,,$@)"
+	mkdir -p $(@D)
 	$(CC) -o $@ $^
 
 # Compile C files into object files
 $(BUILD)/%.o: src/%.c $(INCLUDE)
-	@mkdir -p $(@D)
+	@echo "  CC        $(subst $(obj)/,,$@)"
+	mkdir -p $(@D)
 	$(CC) $(CFLAGS) -o $@ -c $<
 
 # Add dependency rules