amend ryanbaekr boards to match their pin defs (#21248)

keyboards/ryanbaekr/rb69/info.json

@@ -19,8 +19,8 @@
         "rows": ["D7", "C6", "D4", "D0", "D1"]
     },
     "diode_direction": "COL2ROW",
-    "processor": "atmega32u4",
-    "bootloader": "caterina",
+    "development_board": "elite_c",
+    "pin_compatible": "elite_c",
     "layouts": {
         "LAYOUT": {
             "layout": [

keyboards/ryanbaekr/rb86/info.json

@@ -13,8 +13,8 @@
         "rows": ["B0", "B1", "B2", "B3", "B4", "D7"]
     },
     "diode_direction": "COL2ROW",
-    "processor": "atmega32u4",
-    "bootloader": "caterina",
+    "development_board": "elite_c",
+    "pin_compatible": "elite_c",
     "layout_aliases": {
         "LAYOUT_numpad_6x17": "LAYOUT"
     },

keyboards/ryanbaekr/rb87/info.json

@@ -3,8 +3,8 @@
     "manufacturer": "ryanbaekr",
     "url": "",
     "maintainer": "ryanbaekr",
-    "processor": "atmega32u4",
-    "bootloader": "caterina",
+    "development_board": "elite_c",
+    "pin_compatible": "elite_c",
     "usb": {
         "vid": "0x7262",
         "pid": "0x0087",