Set -03 optimization

Author: bbogush

firmware/Makefile

@@ -35,7 +35,7 @@ INCLUDES+=-I$(SPL_USB_PATH)inc
 INCLUDES+=-I$(SRC_DIR)
 INCLUDES+=-I$(USB_DIR)
 
-CFLAGS=-g -Wall -Werror
+CFLAGS=-g -Wall -Werror -O3
 CFLAGS+=$(INCLUDES) -MMD -MP
 CFLAGS+=-ffunction-sections -fdata-sections
 CFLAGS+=-mcpu=cortex-m3 -mthumb

firmware/libs/spl/Makefile

@@ -19,7 +19,7 @@ INCLUDES+=-ISTM32_USB-FS-Device_Driver/inc/
 INCLUDES+=-ICMSIS/CM3/DeviceSupport/ST/STM32F10x/
 INCLUDES+=-ICMSIS/CM3/CoreSupport/
 
-CFLAGS=-g -Wall -Werror
+CFLAGS=-g -Wall -Werror -O3
 CFLAGS+=-D$(CHIP) $(INCLUDES) -MMD -MP
 CFLAGS+=-mcpu=cortex-m3 -mthumb
 CFLAGS+=-ffreestanding -nostdlib