Refactor fortitude60 to use split_common (#8113)

keyboards/fortitude60/rev1/config.h

@@ -15,8 +15,9 @@ You should have received a copy of the GNU General Public License
 along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 
-#ifndef REV1_CONFIG_H
-#define REV1_CONFIG_H
+#pragma once
+
+#include "config_common.h"
 
 /* USB Device descriptor parameter */
 #define VENDOR_ID       0xCB10
@@ -38,6 +39,11 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 /* COL2ROW or ROW2COL */
 #define DIODE_DIRECTION COL2ROW
 
+/*
+ * Split Keyboard specific options, make sure you have 'SPLIT_KEYBOARD = yes' in your rules.mk, and define SOFT_SERIAL_PIN.
+ */
+#define SOFT_SERIAL_PIN D2
+
 /* define if matrix has ghost */
 //#define MATRIX_HAS_GHOST
 
@@ -79,5 +85,3 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 //#define NO_ACTION_ONESHOT
 //#define NO_ACTION_MACRO
 //#define NO_ACTION_FUNCTION
-
-#endif