Fix functions with empty params (#19647)

* Fix functions with empty params

* Found a bunch more

keyboards/lazydesigners/dimple/staggered/staggered.c

@@ -14,10 +14,10 @@
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 #include "staggered.h"
-void dimple_led_on() {
+void dimple_led_on(void) {
     writePinLow(E6);
   }
 
- void dimple_led_off() {
+ void dimple_led_off(void) {
     writePinHigh(E6);
   }

keyboards/lazydesigners/the50/the50.c

@@ -1,9 +1,9 @@
 #include "the50.h"
 
-void the50_led_on() {
+void the50_led_on(void) {
   DDRB |= (1 << 7); PORTB &= ~(1 << 7);
 }
 
-void the50_led_off() {
+void the50_led_off(void) {
   DDRB &= ~(1 << 7); PORTB &= ~(1 << 7);
 }