The kmod-imx2-wdt, kmod-imx7-ulp-wdt and kmod-wdt-sp805 are included in
target modules.mk file, they should also depend on the target, otherwise
they can be selected from every target.
Link: https://github.com/openwrt/openwrt/pull/19480
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
da0736c16f