board: photonicat2: fix typo and duplicates

Author: HackingGate

config/boards/photonicat2.csc

@@ -1,4 +1,4 @@
-# Rockchip RK3576 octa core 4-16GM 2x GbE eMMC HDMI WiFi USB3 3x M.2 (B/E/M-Key)
+# Rockchip RK3576 octa core 4-16GB 2x GbE eMMC HDMI WiFi USB3 3x M.2 (B/E/M-Key)
 
 BOARD_NAME="Photonicat2"
 BOARDFAMILY="rk35xx"
@@ -30,28 +30,22 @@ function custom_kernel_config__photonicat2_pm() {
 }
 
 # Enable PWM subsystem for backlight, beeper, voltage regulation, LEDs
-# RK3576 uses PWM v4 hardware which requires the PWM_ROCKCHIP_V4 driver
-# Note: The driver patch must be added from photonicat-old kernel tree
 function custom_kernel_config__photonicat2_pwm() {
 	kernel_config_modifying_hashes+=(
 		"CONFIG_PWM=y"
-		"CONFIG_BACKLIGHT_PWM=y"
 		"CONFIG_ROCKCHIP_MFPWM=y"
 		"CONFIG_PWM_ROCKCHIP_V4=y"
 		"CONFIG_ROCKCHIP_PWM_CAPTURE=y"
 		"CONFIG_INPUT_PWM_BEEPER=y"
-		"CONFIG_BACKLIGHT_PWM=y"
 		"CONFIG_REGULATOR_PWM=y"
 		"CONFIG_LEDS_PWM=y"
 	)
 	if [[ -f .config ]]; then
 		kernel_config_set_y PWM
-		kernel_config_set_y BACKLIGHT_PWM
 		kernel_config_set_y ROCKCHIP_MFPWM
 		kernel_config_set_y PWM_ROCKCHIP_V4
 		kernel_config_set_y ROCKCHIP_PWM_CAPTURE
 		kernel_config_set_y INPUT_PWM_BEEPER
-		kernel_config_set_y BACKLIGHT_PWM
 		kernel_config_set_y REGULATOR_PWM
 		kernel_config_set_y LEDS_PWM
 	fi