refactor(settings): Add Kconfig option for settings debounce

app/Kconfig

@@ -297,6 +297,15 @@ config ZMK_KSCAN_COMPOSITE_DRIVER
 #KSCAN Settings
 endmenu
 
+if SETTINGS
+
+config ZMK_SETTINGS_SAVE_DEBOUNCE
+	int "Milliseconds to debounce settings saves"
+	default 60000
+
+#SETTINGS
+endif
+
 #Advanced
 endmenu
 

app/src/ext_power_generic.c

@@ -49,7 +49,7 @@ static struct k_delayed_work ext_power_save_work;
 int ext_power_save_state() {
 #if IS_ENABLED(CONFIG_SETTINGS)
     k_delayed_work_cancel(&ext_power_save_work);
-    return k_delayed_work_submit(&ext_power_save_work, K_MINUTES(1));
+    return k_delayed_work_submit(&ext_power_save_work, K_MSEC(CONFIG_ZMK_SETTINGS_SAVE_DEBOUNCE));
 #else
     return 0;
 #endif

app/src/rgb_underglow.c

@@ -279,7 +279,7 @@ static int zmk_rgb_underglow_init(struct device *_arg) {
 int zmk_rgb_underglow_save_state() {
 #if IS_ENABLED(CONFIG_SETTINGS)
     k_delayed_work_cancel(&underglow_save_work);
-    return k_delayed_work_submit(&underglow_save_work, K_MINUTES(1));
+    return k_delayed_work_submit(&underglow_save_work, K_MSEC(CONFIG_ZMK_SETTINGS_SAVE_DEBOUNCE));
 #else
     return 0;
 #endif