[Bug] GMMK Numpad Matrix LEDs not working

[horvatkevin]

Describe the Bug

I've just received a brand new GMMK Numpad. After flashing the latest QMK firmware onto it, the RGB matrix LEDs are no longer working.

Keyboard Used

gmmk/numpad

Link to product page (if applicable)

https://www.gloriousgaming.com/products/gmmk-numpad-keyboard

Operating System

Linux

qmk doctor Output

Ψ QMK Doctor is checking your environment.
Ψ CLI version: 1.1.5
Ψ QMK home: /home/kh/qmk_firmware
Ψ Detected Linux (Arch Linux).
Ψ Userspace enabled: False
Ψ Git branch: fix-gmmk-numpad-led-enable
Ψ Repo version: 0.25.8
Ψ - Latest fix-gmmk-numpad-led-enable: 2024-06-21 18:58:34 +0200 (d2f7ce39d6) -- fix invalid led enable pin for gmmk numpad
Ψ - Latest upstream/master: 2024-06-20 01:08:57 -0700 (a6ef34cd16) -- [Keyboard] fixes for ZSA Voyager (#23912)
Ψ - Latest upstream/develop: None
Ψ - Common ancestor with upstream/master: 2024-06-20 01:08:57 -0700 (a6ef34cd16) -- [Keyboard] fixes for ZSA Voyager (#23912)
Ψ - Common ancestor with upstream/develop: None
Ψ All dependencies are installed.
Ψ Found arm-none-eabi-gcc version 14.1.0
Ψ Found avr-gcc version 14.1.0
⚠ We do not recommend avr-gcc newer than 8. Downgrading to 8.x is recommended.
Ψ Found avrdude version 7.3
Ψ Found dfu-programmer version 1.1.0
Ψ Found dfu-util version 0.11
Ψ Submodules are up to date.
Ψ Submodule status:
Ψ - lib/chibios: 2024-02-17 19:20:06 +0000 --  (be44b3305)
Ψ - lib/chibios-contrib: 2024-04-03 20:39:24 +0800 --  (77cb0a4f)
Ψ - lib/googletest: 2021-06-11 06:37:43 -0700 --  (e2239ee6)
Ψ - lib/lufa: 2022-08-26 12:09:55 +1000 --  (549b97320)
Ψ - lib/vusb: 2022-06-13 09:18:17 +1000 --  (819dbc1)
Ψ - lib/printf: 2022-06-29 23:59:58 +0300 --  (c2e3b4e)
Ψ - lib/pico-sdk: 2023-02-12 20:19:37 +0100 --  (a3398d8)
Ψ - lib/lvgl: 2022-04-11 04:44:53 -0600 --  (e19410f8)
Ψ QMK is ready to go, but minor problems were found

Is AutoHotKey / Karabiner installed

• AutoHotKey (Windows)
• Karabiner (macOS)

Other keyboard-related software installed

No response

Additional Context

The issue seems to stem from #23067 via commit 0b7df03. After consolidating the EN pins of the AW20216S controller, there was still a reference to the old definition for the gmmk/numpad keyboard.