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

keyboards/handwired/p65rgb/config.h

@@ -17,7 +17,6 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 #pragma once
 
-#define RGB_DI_PIN B4
 #define RGB_DISABLE_WHEN_USB_SUSPENDED // turn off effects when suspended
 #define RGB_MATRIX_KEYPRESSES
 #define RGB_MATRIX_FRAMEBUFFER_EFFECTS

keyboards/handwired/p65rgb/info.json

@@ -8,6 +8,9 @@
         "pid": "0x75B4",
         "device_version": "0.0.1"
     },
+    "ws2812": {
+        "pin": "B4"
+    },
     "matrix_pins": {
         "cols": ["E6", "F0", "F1", "F4", "F5", "F6", "F7", "B0", "B1", "B2", "B3", "B7", "D0", "D1", "D2", "D3", "D7"],
         "rows": ["C7", "C6", "B6", "B5", "D5"]