The pppox module is a dependency of pppoe/pptp/pppol2tp and does not
have a separate Kconfig symbol.
Signed-off-by: Qingfang Deng <[email protected]>
Link: https://github.com/openwrt/openwrt/pull/23077
Signed-off-by: Hauke Mehrtens <[email protected]>
Qingfang Deng