Recommend use of LED Indicator config (#10895)

* Recommend use of LED Indicator config

* Recommend use of LED Indicator config - update link

* Update quantum/template/ps2avrgb/config.h

Co-authored-by: Ryan <fauxpark@gmail.com>

Co-authored-by: Ryan <fauxpark@gmail.com>

docs/pr_checklist.md

@@ -73,6 +73,7 @@ https://github.com/qmk/qmk_firmware/pulls?q=is%3Apr+is%3Aclosed+label%3Akeyboard
     - commented-out functions removed too
     - `matrix_init_board()` etc. migrated to `keyboard_pre_init_kb()`, see: [keyboard_pre_init*](https://docs.qmk.fm/#/custom_quantum_functions?id=keyboard_pre_init_-function-documentation)
     - prefer `CUSTOM_MATRIX = lite` if custom matrix used, allows for standard debounce, see [custom matrix 'lite'](https://docs.qmk.fm/#/custom_matrix?id=lite)
+    - prefer LED indicator [Configuration Options](https://docs.qmk.fm/#/feature_led_indicators?id=configuration-options) to custom `led_update_*()` implementations where possible
 - `keyboard.h`
     - `#include "quantum.h"` appears at the top
     - `LAYOUT` macros should use standard definitions if applicable

quantum/template/avr/config.h

@@ -52,6 +52,12 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 #define SOFT_SERIAL_PIN D0  // or D1, D2, D3, E6
 
+//#define LED_NUM_LOCK_PIN B0
+//#define LED_CAPS_LOCK_PIN B1
+//#define LED_SCROLL_LOCK_PIN B2
+//#define LED_COMPOSE_PIN B3
+//#define LED_KANA_PIN B4
+
 //#define BACKLIGHT_PIN B7
 //#define BACKLIGHT_LEVELS 3
 //#define BACKLIGHT_BREATHING

quantum/template/ps2avrgb/config.h

@@ -47,8 +47,12 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 /* COL2ROW, ROW2COL */
 #define DIODE_DIRECTION COL2ROW
 
+//#define LED_NUM_LOCK_PIN D0
+//#define LED_CAPS_LOCK_PIN D1
+//#define LED_SCROLL_LOCK_PIN D6
+
 #define BACKLIGHT_PIN D4
-#define BACKLIGHT_LEVELS 3
+//#define BACKLIGHT_LEVELS 3
 //#define BACKLIGHT_BREATHING
 
 #define RGBLED_NUM 16