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

keyboards/lfkeyboards/lfk78/config.h

@@ -24,7 +24,6 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #define AUDIO_PIN C6
 #define AUDIO_VOICES
 
-#define RGB_DI_PIN C7 // Have to set it to something to get the ws2812 code to compile
 #    define RGBLIGHT_HUE_STEP 10
 #    define RGBLIGHT_SAT_STEP 17
 #    define RGBLIGHT_VAL_STEP 17

keyboards/lfkeyboards/lfk78/revb/info.json

@@ -17,6 +17,9 @@
         "driver": "custom",
         "levels": 8
     },
+    "ws2812": {
+        "pin": "C7"
+    },
     "processor": "atmega32u4",
     "bootloader": "atmel-dfu",
     "layouts": {

keyboards/lfkeyboards/lfk78/revc/info.json

@@ -17,6 +17,9 @@
         "driver": "custom",
         "levels": 8
     },
+    "ws2812": {
+        "pin": "C7"
+    },
     "processor": "at90usb1286",
     "bootloader": "atmel-dfu",
     "layouts": {

keyboards/lfkeyboards/lfk78/revj/info.json

@@ -17,6 +17,9 @@
         "driver": "custom",
         "levels": 8
     },
+    "ws2812": {
+        "pin": "C7"
+    },
     "processor": "at90usb646",
     "bootloader": "atmel-dfu",
     "layouts": {