Embed gpio_led struct in ath_led. Simpler Allocation.
Use a flex array for the name. Allows using a single allocation.
Signed-off-by: Rosen Penev <rosenp@gmail.com>
Link: https://github.com/openwrt/openwrt/pull/21933
Signed-off-by: Robert Marko <robimarko@gmail.com>