Add housekeeping task callbacks so that keyboards/keymaps are capable of executing code for each main loop iteration. (#10530)

tmk_core/protocol/chibios/main.c

@@ -265,5 +265,9 @@ int main(void) {
 #ifdef RAW_ENABLE
         raw_hid_task();
 #endif
+
+        // Run housekeeping
+        housekeeping_task_kb();
+        housekeeping_task_user();
     }
 }