Add new board. Adafruit QT PY.

New board added Adafruit QT PY.

Signed-off-by: charkster <31560568+charkster@users.noreply.github.com>

ports/samd/boards/ADAFRUIT_QT_PY/board.json

@@ -0,0 +1,17 @@
+{
+    "deploy": [
+        "../deploy.md"
+    ],
+    "docs": "",
+    "features": [
+        "USB-C"
+    ],
+    "images": [
+        "qt_py_samd21.jpg"
+    ],
+    "mcu": "samd21",
+    "product": "QT PY (SAMD21)",
+    "thumbnail": "",
+    "url": "https://www.adafruit.com/product/4600",
+    "vendor": "Adafruit"
+}

ports/samd/boards/ADAFRUIT_QT_PY/mpconfigboard.h

@@ -0,0 +1,4 @@
+#define MICROPY_HW_BOARD_NAME "QT PY"
+#define MICROPY_HW_MCU_NAME   "SAMD21E18A"
+
+#define MICROPY_HW_DFLL_USB_SYNC    (1)

ports/samd/boards/ADAFRUIT_QT_PY/mpconfigboard.mk

@@ -0,0 +1,4 @@
+MCU_SERIES = SAMD21
+CMSIS_MCU = SAMD21E18A
+LD_FILES = boards/samd21x18a.ld sections.ld
+TEXT0 = 0x2000

ports/samd/boards/ADAFRUIT_QT_PY/pins.csv

@@ -0,0 +1,20 @@
+A0,PA02
+A1,PA03
+A2,PA04
+A3,PA05
+SDA,PA16
+SCL,PA17
+TX,PA06
+RX,PA07
+SCK,PA11
+MISO,PA09
+MOSI,PA10
+
+NEO_PWR,PA15
+NEOPIX,PA18
+
+USB_DM,PA24
+USB_DP,PA25
+
+SWCLK,PA30
+SWDIO,PA31