Migrate rgblight.pin and RGB_DI_PIN to ws2812.pin (#20303)

keyboards/marksard/treadstone48/rev1/config.h

@@ -17,7 +17,6 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 #pragma once
 
-#define RGB_DI_PIN D3
   #ifndef RS_EXTRA_LED
     #define RGBLED_NUM 12
     #define RGBLED_SPLIT {12, 0}

keyboards/marksard/treadstone48/rev1/info.json

@@ -16,6 +16,9 @@
   "split": {
     "soft_serial_pin": "D2"
   },
+  "ws2812": {
+    "pin": "D3"
+  },
   "processor": "atmega32u4",
   "bootloader": "caterina",
   "layouts": {

keyboards/marksard/treadstone48/rev2/config.h

@@ -17,7 +17,6 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 #pragma once
 
-#define RGB_DI_PIN D3
   #define RGBLED_NUM 12
   #define RGBLIGHT_HUE_STEP 8
   #define RGBLIGHT_SAT_STEP 8

keyboards/marksard/treadstone48/rev2/info.json

@@ -8,6 +8,9 @@
         "pid": "0xDFA3",
         "device_version": "0.2.0"
     },
+    "ws2812": {
+        "pin": "D3"
+    },
     "matrix_pins": {
         "cols": ["D4", "C6", "D7", "E6", "B4", "B5"],
         "rows": ["F4", "F5", "F6", "F7", "B1", "B3", "B2", "B6"]