Merge pull request #33 from idlegoose/patch-1

Update device listings in 0x50-0x5F.md

Author: dhalbert

0x50-0x5F.md

@@ -5,19 +5,22 @@
 
 ## 0x50
 
+- [Adafruit Mini I2C Gamepad with seesaw](https://www.adafruit.com/product/5743) (0x50 - 0x53)
 - [MB85RC FRAM](https://www.adafruit.com/product/1895) (0x50 - 0x57)
 
 ## 0x51
 
+- [Adafruit Mini I2C Gamepad with seesaw](https://www.adafruit.com/product/5743) (0x50 - 0x53)
 - [MB85RC FRAM](https://www.adafruit.com/product/1895) (0x50 - 0x57)
 
 ## 0x52
 
+- [Adafruit Mini I2C Gamepad with seesaw](https://www.adafruit.com/product/5743) (0x50 - 0x53)
 - [MB85RC FRAM](https://www.adafruit.com/product/1895) (0x50 - 0x57)
 - [Nintendo Nunchuck Controller](https://www.adafruit.com/product/342) (0x52 only)
-
 ## 0x53
 
+- [Adafruit Mini I2C Gamepad with seesaw](https://www.adafruit.com/product/5743) (0x50 - 0x53)
 - [ADXL343 3-Axis Accelerometer](https://www.adafruit.com/product/4097) (0x1D or 0x53)
 - [ADXL345 3-Axis Accelerometer](https://www.adafruit.com/product/1231) (0x1D or 0x53)
 - [LTR390 UV Sensor](https://www.adafruit.com/product/4831) (0x53)