Move backlight config to data driven (#19910)

keyboards/smithrune/iron180/config.h

@@ -21,12 +21,9 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #define MATRIX_ROW_PINS { B9 , B8 , A15, B0 , A7 , A5 }
 #define DIODE_DIRECTION COL2ROW
 
-#define BACKLIGHT_PIN           A6
 #define BACKLIGHT_PWM_DRIVER    PWMD3
 #define BACKLIGHT_PWM_CHANNEL   1
 #define BACKLIGHT_PAL_MODE      1
-#define BACKLIGHT_LEVELS 6
-#define BACKLIGHT_BREATHING
 
 /* Mechanical locking support. Use KC_LCAP, KC_LNUM or KC_LSCR instead in keymap */
 #define LOCKING_SUPPORT_ENABLE

keyboards/smithrune/iron180/info.json

@@ -8,6 +8,11 @@
         "pid": "0x1180",
         "device_version": "0.0.1"
     },
+    "backlight": {
+        "pin": "A6",
+        "levels": 6,
+        "breathing": true
+    },
     "processor": "STM32F072",
     "bootloader": "stm32-dfu",
     "layouts": {