kano: fix led pwm count

Fix kano led pwm count.
Kano only have one led.

BUG=none
BRANCH=none
TEST=make buildall -j succeed.

Signed-off-by: David Huang <[email protected]>
Change-Id: Ib2ece8a1ab3591ab91bfb4c8b95701cce7789cb5
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/3139856
Reviewed-by: Boris Mittelberg <[email protected]>
Commit-Queue: Boris Mittelberg <[email protected]>

Author: David Huang

board/kano/board.h

@@ -28,7 +28,7 @@
 
 /* LED */
 #define CONFIG_LED_PWM
-#define CONFIG_LED_PWM_COUNT 2
+#define CONFIG_LED_PWM_COUNT 1
 #undef CONFIG_LED_PWM_NEAR_FULL_COLOR
 #undef CONFIG_LED_PWM_SOC_ON_COLOR
 #undef CONFIG_LED_PWM_SOC_SUSPEND_COLOR

board/kano/led.c

@@ -67,9 +67,6 @@ int led_set_brightness(enum ec_led_id led_id, const uint8_t *brightness)
 	case EC_LED_ID_LEFT_LED:
 		pwm_id = PWM_LED0;
 		break;
-	case EC_LED_ID_RIGHT_LED:
-		pwm_id = PWM_LED1;
-		break;
 	default:
 		return EC_ERROR_UNKNOWN;
 	}