Add SKIP_VERSION option to speed up compilation

keyboards/handwired/MS_sculpt_mobile/rules.mk

@@ -0,0 +1,48 @@
+
+## Project specific files
+SRC=  babblePaste.c
+
+
+ifdef ASTAR
+  CFLAGS=-D ASTAR
+ OPT_DEFS += -DBOOTLOADER_SIZE=4096
+ MCU = atmega32u4
+ OPT_DEFS += -DCATERINA_BOOTLOADER
+ SCULPT_UPLOAD_COMMAND = while [ ! -r $(USB) ]; do sleep 1; done ; \
+		 avrdude -p $(MCU) -c avr109 -U flash:w:$(TARGET).hex -P $(USB)
+
+else
+ MCU = at90usb1286
+ OPT_DEFS += -DBOOTLOADER_SIZE=2048
+ SCULPT_UPLOAD_COMMAND = teensy_loader_cli -w -mmcu=$(MCU) $(TARGET).hex
+endif
+
+F_CPU = 16000000
+ARCH = AVR8
+F_USB = $(F_CPU)
+# Interrupt driven control endpoint task(+60)
+OPT_DEFS += -DINTERRUPT_CONTROL_ENDPOINT
+
+#
+BOOTMAGIC_ENABLE ?= no      # Virtual DIP switch configuration(+1000)
+MOUSEKEY_ENABLE ?= no       # Mouse keys(+4700)
+EXTRAKEY_ENABLE ?= yes       # Audio control and System control(+450)
+CONSOLE_ENABLE ?= yes        # Console for debug(+400)
+COMMAND_ENABLE ?= yes        # Commands for debug and configuration
+# Do not enable SLEEP_LED_ENABLE. it uses the same timer as BACKLIGHT_ENABLE
+SLEEP_LED_ENABLE ?= no       # Breathing sleep LED during USB suspend
+# if this doesn't work, see here: https://github.com/tmk/tmk_keyboard/wiki/FAQ#nkro-doesnt-work
+NKRO_ENABLE ?= no            # USB Nkey Rollover
+BACKLIGHT_ENABLE ?= no       # Enable keyboard backlight functionality on B7 by default
+MIDI_ENABLE ?= no            # MIDI controls
+UNICODE_ENABLE ?= no         # Unicode
+BLUETOOTH_ENABLE ?= no       # Enable Bluetooth with the Adafruit EZ-Key HID
+AUDIO_ENABLE ?= no           # Audio output on port C6
+
+
+USB ?= /dev/cu.usbmodem14141
+
+ 
+
+upload: build
+	$(SCULPT_UPLOAD_COMMAND)