Merge pull request #190 from siddacious/tlv493d

Adding the new TLV493D driver

Author: kattni

.gitmodules

@@ -529,3 +529,6 @@
 [submodule "libraries/helpers/GC_IOT_Core"]
 	path = libraries/helpers/GC_IOT_Core
 	url = https://github.com/adafruit/Adafruit_CircuitPython_GC_IOT_Core.git
+[submodule "libraries/drivers/tlv493d"]
+	path = libraries/drivers/tlv493d
+	url = https://github.com/adafruit/Adafruit_CircuitPython_TLV493D.git

docs/drivers.rst

@@ -151,7 +151,8 @@ Motion relating sensing including ``acceleration``, ``magnetic``, ``gyro``, and
     LSM9DS0 Accelerometer, Magnetometer, Gyroscope and Temperature <https://circuitpython.readthedocs.io/projects/lsm9ds0/en/latest/>
     LSM9DS1 Accelerometer, Magnetometer, Gyroscope and Temperature <https://circuitpython.readthedocs.io/projects/lsm9ds1/en/latest/>
     MLX90390 3 Axis Magnetometer <https://circuitpython.readthedocs.io/projects/mlx90393/en/latest/>
-    MMA8451 3 axis accelerometer <https://circuitpython.readthedocs.io/projects/mma8451/en/latest/>
+    MMA8451 3 Axis Accelerometer <https://circuitpython.readthedocs.io/projects/mma8451/en/latest/>
+    TLV493D 3 Axis Magnetometer <https://circuitpython.readthedocs.io/projects/tlv493d/en/latest/>
 
 Environmental Sensors
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