Move backlight config to data driven (#19910)

keyboards/omkbd/ergodash/mini/config.h

@@ -31,11 +31,6 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 #define AUDIO_PIN C6
 
-#ifdef BACKLIGHT_ENABLE
-  #define BACKLIGHT_PIN B6
-  #define BACKLIGHT_LEVELS 7
-#endif
-
 /* Mechanical locking support. Use KC_LCAP, KC_LNUM or KC_LSCR instead in keymap */
 #define LOCKING_SUPPORT_ENABLE
 /* Locking resynchronize hack */

keyboards/omkbd/ergodash/mini/info.json

@@ -8,6 +8,10 @@
     "pid": "0x6060",
     "device_version": "1.0.0"
   },
+  "backlight": {
+    "pin": "B6",
+    "levels": 7
+  },
   "split": {
     "soft_serial_pin": "D0"
   },