Split drm update input

[michaelfiber]

• Remove platform specific code from GetGamepadAxisCount for PLATFORM_DRM to facilitate moving that function back to rcore.c
• Remove platform specific code from GetGamepadName for PLATFORM_DRM to facilitate moving that function back to rcore.c

[raysan5]

@michaelfiber Current implementation looks great to me. I doubt many users change gamepads between sessions. Let me know when it's ready for me. I'll take care of moving those functions to rcore.c.

[michaelfiber]

@michaelfiber Current implementation looks great to me. I doubt many users change gamepads between sessions. Let me know when it's ready for me. I'll take care of moving those functions to rcore.c.

Will do, I was able to make these small changes real quick but won't be able to test for a bit because it turns out something keeps PLATFORM_DRM from working on my main workstation. Once I can test these changes I'm going to take a look at that.

[raysan5]

@michaelfiber thanks for the update!