Use Layer State Typedef in keymaps

keyboards/ergodox_ez/keymaps/default/keymap.c

@@ -164,7 +164,7 @@ void matrix_init_user(void) {
 };
 
 // Runs whenever there is a layer state change.
-uint32_t layer_state_set_user(uint32_t state) {
+layer_state_t layer_state_set_user(layer_state_t state) {
   ergodox_board_led_off();
   ergodox_right_led_1_off();
   ergodox_right_led_2_off();

keyboards/planck/ez/ez.c

@@ -128,7 +128,7 @@ void matrix_scan_kb(void) {
   matrix_scan_user();
 }
 
-uint32_t layer_state_set_kb(uint32_t state) {
+layer_state_t layer_state_set_kb(layer_state_t state) {
 
   palClearPad(GPIOB, 8);
   palClearPad(GPIOB, 9);

keyboards/planck/keymaps/default/keymap.c

@@ -176,7 +176,7 @@ const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
   float plover_gb_song[][2]  = SONG(PLOVER_GOODBYE_SOUND);
 #endif
 
-uint32_t layer_state_set_user(uint32_t state) {
+layer_state_t layer_state_set_user(layer_state_t state) {
   return update_tri_layer_state(state, _LOWER, _RAISE, _ADJUST);
 }