Move SOFT_SERIAL_PIN to data driven (#19863)

keyboards/orthodox/rev3_teensy/config.h

@@ -31,8 +31,6 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 /* COL2ROW or ROW2COL */
 #define DIODE_DIRECTION COL2ROW
 
-#define SOFT_SERIAL_PIN D0
-
 /* key combination for command */
 #define IS_COMMAND() ( \
     get_mods() == (MOD_BIT(KC_LSFT) | MOD_BIT(KC_LGUI)) \

keyboards/orthodox/rev3_teensy/info.json

@@ -7,6 +7,9 @@
     "pid": "0x3060",
     "device_version": "0.0.1"
   },
+  "split": {
+    "soft_serial_pin": "D0"
+  },
   "processor": "atmega32u4",
     "bootloader": "halfkay",
   "layouts": {