Change AW20216 SPI Mode from 0 to 3, to fix RGB LEDs on GMMK Pro (#17262)

Author: trwnh

drivers/led/aw20216.c

@@ -63,7 +63,7 @@ bool    g_pwm_buffer_update_required[DRIVER_COUNT] = {false};
 bool AW20216_write(pin_t cs_pin, uint8_t page, uint8_t reg, uint8_t* data, uint8_t len) {
     static uint8_t s_spi_transfer_buffer[2] = {0};
 
-    if (!spi_start(cs_pin, false, 0, AW_SPI_DIVISOR)) {
+    if (!spi_start(cs_pin, false, 3, AW_SPI_DIVISOR)) {
         spi_stop();
         return false;
     }