Keyboard: Refactor fourier to use split common code (#4582)

* Refactor fourier to use split common code

* Refactor fourier to use split common code - fix handedness when not using EE_HANDS or MASTER_LEFT

* add SOFT_SERIAL_PIN config

keyboards/fourier/rev1/config.h

@@ -16,10 +16,7 @@ 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
-
-#include "../config.h"
+#pragma once
 
 /* USB Device descriptor parameter */
 #define VENDOR_ID       0xCB10
@@ -38,6 +35,11 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #define MATRIX_ROW_PINS { F4, D7, E6, B4 }
 #define MATRIX_COL_PINS { F5, F6, F7, B1, B3, B2, B6 }
 
+/* Split Defines */
+#define SPLIT_HAND_PIN D2
+/* serial.c configuration for split keyboard */
+#define SOFT_SERIAL_PIN D0
+
 /* define if matrix has ghost */
 //#define MATRIX_HAS_GHOST
 
@@ -56,7 +58,6 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 /* ws2812 RGB LED */
 #define RGB_DI_PIN D3
-
 #define RGBLIGHT_ANIMATIONS
 #define RGBLED_NUM 14    // Number of LEDs
 
@@ -77,6 +78,3 @@ 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