Add support for PDP REALMz Wired Controller Switch (#790)

* Add support for PDP REALMz Wired Controller Switch

I'm doing this for a user of OpenGOAL, who claims the generated mapping works. The user provided the following output.

```
SDL2 Gamepad Tool v1.2 by General Arcade (compiled with SDL version 2.0.7, DLL version 2.0.7)
Website: http://generealarcade.com/gamepadtool/

Searching gamepads...
Found 1 gamepad(s):
"PDP REALMz Wired Controller Switch - Sonic The Hedgehog", 030000006f0e00008901000000000000
Environment variable "SDL_GAMECONTROLLERCONFIG" is not defined
Checking if new mappings available from github: https://github.com/gabomdq/SDL_GameControllerDB
Mapping string: '030000006f0e00008901000000000000,PDP REALMz Wired Controller Switch - Sonic The Hedgehog,platform:Windows,a:b1,b:b2,x:b0,y:b3,back:b8,guide:b12,start:b9,leftstick:b10,rightstick:b11,leftshoulder:b4,rightshoulder:b5,dpup:h0.1,dpdown:h0.4,dpleft:h0.8,dpright:h0.2,leftx:a0,lefty:a1,rightx:a2,righty:a3,lefttrigger:b6,righttrigger:b7,'
Searching gamepads...
Found 1 gamepad(s):
"PDP REALMz Wired Controller Switch - Sonic The Hedgehog", 030000006f0e00008901000000000000 (mapping available)
GitHub
```

* Clean up

---------

Co-authored-by: Alynne <[email protected]>

gamecontrollerdb.txt

@@ -482,6 +482,7 @@
 03000000790000002201000000000000,PC Controller,a:b2,b:b1,back:b8,dpdown:h0.4,dpleft:h0.8,dpright:h0.2,dpup:h0.1,leftshoulder:b4,leftstick:b10,lefttrigger:b6,leftx:a0,lefty:a1,rightshoulder:b5,rightstick:b11,righttrigger:b7,rightx:a2,righty:a3,start:b9,x:b3,y:b0,platform:Windows,
 030000006f0e00008501000000000000,PDP Fightpad Pro GameCube Controller,a:b1,b:b0,back:b8,dpdown:h0.4,dpleft:h0.8,dpright:h0.2,dpup:h0.1,guide:b12,leftshoulder:b4,leftstick:b10,lefttrigger:b6,leftx:a0,lefty:a1,misc1:b13,rightshoulder:b5,rightstick:b11,righttrigger:b7,rightx:a2,righty:a3,start:b9,x:b2,y:b3,platform:Windows,
 030000006f0e00000901000000000000,PDP PS3 Versus Fighting,a:b1,b:b2,back:b8,dpdown:h0.4,dpleft:h0.8,dpright:h0.2,dpup:h0.1,guide:b12,leftshoulder:b4,lefttrigger:b6,rightshoulder:b5,righttrigger:b7,start:b9,x:b0,y:b3,platform:Windows,
+030000006f0e00008901000000000000,PDP Realmz Nintendo Switch Controller,a:b1,b:b2,x:b0,y:b3,back:b8,guide:b12,start:b9,leftstick:b10,rightstick:b11,leftshoulder:b4,rightshoulder:b5,dpup:h0.1,dpdown:h0.4,dpleft:h0.8,dpright:h0.2,leftx:a0,lefty:a1,rightx:a2,righty:a3,lefttrigger:b6,righttrigger:b7,platform:Windows,
 030000008f0e00004100000000000000,PlaySega,a:b1,b:b0,dpdown:+a1,dpleft:-a0,dpright:+a0,dpup:-a1,leftshoulder:b6,lefttrigger:b7,rightshoulder:b5,righttrigger:b2,start:b8,x:b4,y:b3,platform:Windows,
 03000000666600006706000000000000,PlayStation Adapter,a:b2,b:b1,back:b8,dpdown:b14,dpleft:b15,dpright:b13,dpup:b12,leftshoulder:b6,leftstick:b9,lefttrigger:b4,leftx:a0,lefty:a1,rightshoulder:b7,rightstick:b10,righttrigger:b5,rightx:a2,righty:a3,start:b11,x:b3,y:b0,platform:Windows,
 03000000e30500009605000000000000,PlayStation Adapter,a:b2,b:b1,back:b9,dpdown:h0.4,dpleft:h0.8,dpright:h0.2,dpup:h0.1,leftshoulder:b6,leftstick:b10,lefttrigger:b4,leftx:a0,lefty:a1,rightshoulder:b7,rightstick:b11,righttrigger:b5,rightx:a2,righty:a3,start:b8,x:b3,y:b0,platform:Windows,