platform/chrome: cros_kbd_led_backlight: Remove CROS_EC dependency

After applying 3a1d61d ("platform/chrome: cros_kbd_led_backlight:
Remove OF match"), cros_kbd_led_backlight no longer depends on CROS_EC
directly.

Remove the redundant dependency.

Fixes: 3a1d61d ("platform/chrome: cros_kbd_led_backlight: Remove OF match")
Tested-by: Randy Dunlap <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Tzung-Bi Shih <[email protected]>

Author: Tzung-Bi Shih

drivers/platform/chrome/Kconfig

@@ -161,7 +161,7 @@ config CROS_EC_PROTO
 
 config CROS_KBD_LED_BACKLIGHT
 	tristate "Backlight LED support for Chrome OS keyboards"
-	depends on LEDS_CLASS && (ACPI || CROS_EC || MFD_CROS_EC_DEV)
+	depends on LEDS_CLASS && (ACPI || MFD_CROS_EC_DEV)
 	help
 	  This option enables support for the keyboard backlight LEDs on
 	  select Chrome OS systems.