add metro m0 (testing)

Author: ladyada

boards.txt

@@ -30,9 +30,9 @@ adafruit_feather_m0.build.mcu=cortex-m0plus
 adafruit_feather_m0.build.f_cpu=48000000L
 adafruit_feather_m0.build.usb_product="Feather M0"
 adafruit_feather_m0.build.usb_manufacturer="Adafruit"
-adafruit_feather_m0.build.board=SAMD_FEATHER_M0
+adafruit_feather_m0.build.board=SAMD_ZERO
 adafruit_feather_m0.build.core=arduino
-adafruit_feather_m0.build.extra_flags=-DARDUINO_SAMD_ZERO -D__SAMD21G18A__ {build.usb_flags}
+adafruit_feather_m0.build.extra_flags=-D__SAMD21G18A__ {build.usb_flags}
 adafruit_feather_m0.build.ldscript=linker_scripts/gcc/flash_with_bootloader.ld
 adafruit_feather_m0.build.openocdscript=openocd_scripts/arduino_zero.cfg
 adafruit_feather_m0.build.variant=arduino_zero
@@ -41,3 +41,32 @@ adafruit_feather_m0.build.vid=0x239A
 adafruit_feather_m0.build.pid=0x800B
 adafruit_feather_m0.bootloader.tool=openocd
 adafruit_feather_m0.bootloader.file=feather/samd21_sam_ba.bin
+
+
+adafruit_metro_m0.name=Adafruit Metro M0 (Native USB Port)
+adafruit_metro_m0.vid.0=0x239A
+adafruit_metro_m0.pid.0=0x8013
+adafruit_metro_m0.vid.1=0x239A
+adafruit_metro_m0.pid.1=0x0013
+adafruit_metro_m0.upload.tool=bossac
+adafruit_metro_m0.upload.protocol=sam-ba
+adafruit_metro_m0.upload.maximum_size=262144
+adafruit_metro_m0.upload.use_1200bps_touch=true
+adafruit_metro_m0.upload.wait_for_upload_port=true
+adafruit_metro_m0.upload.native_usb=true
+adafruit_metro_m0.build.mcu=cortex-m0plus
+adafruit_metro_m0.build.f_cpu=48000000L
+adafruit_metro_m0.build.usb_product="Metro M0"
+adafruit_metro_m0.build.usb_manufacturer="Adafruit"
+adafruit_metro_m0.build.board=SAMD_ZERO
+adafruit_metro_m0.build.core=arduino
+adafruit_metro_m0.build.extra_flags=-D__SAMD21G18A__ {build.usb_flags}
+adafruit_metro_m0.build.ldscript=linker_scripts/gcc/flash_with_bootloader.ld
+adafruit_metro_m0.build.openocdscript=openocd_scripts/arduino_zero.cfg
+adafruit_metro_m0.build.variant=arduino_zero
+adafruit_metro_m0.build.variant_system_lib=
+adafruit_metro_m0.build.vid=0x239A
+adafruit_metro_m0.build.pid=0x8013
+adafruit_metro_m0.bootloader.tool=openocd
+adafruit_metro_m0.bootloader.file=metro/samd21_sam_ba.bin
+