Move RGB_MATRIX_DRIVER to data driven (#20350)

keyboards/gmmk/gmmk2/p65/ansi/info.json

@@ -8,6 +8,9 @@
         "pid": "0x5045",
         "device_version": "0.0.1"
     },
+    "rgb_matrix": {
+        "driver": "AW20216"
+    },
     "matrix_pins": {
         "cols": ["A0", "A1", "A2", "A3", "A4", "A8", "A9", "A10"],
         "rows": ["B0", "B1", "B2", "B3", "B4", "B5", "B6", "B7", "B8"]

keyboards/gmmk/gmmk2/p65/ansi/rules.mk

@@ -11,6 +11,5 @@ BACKLIGHT_ENABLE = no        # Enable keyboard backlight functionality.
 RGBLIGHT_ENABLE = no         # Enable keyboard RGB underglow.
 AUDIO_ENABLE = no            # Audio output.
 RGB_MATRIX_ENABLE = yes      # Enable RGB matrix effects.
-RGB_MATRIX_DRIVER = AW20216  # Enable RGB matrix effects.
 EEPROM_DRIVER = wear_leveling
 WEAR_LEVELING_DRIVER = embedded_flash