Commit 56d97fff55f3 backported leds-ktd202x from upstream but didn't add the
generic config symbol.
Fixes: 56d97fff55f3 ("generic: backport support for KTD2026/7 rgb(w) led controller")
Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
Link: https://github.com/openwrt/openwrt/pull/17396
Signed-off-by: Robert Marko <robimarko@gmail.com>
(cherry picked from commit c846f48f6a1d7167ea4f55e5ce2cf4f1e27c8fe2)