Comment # 6 on bug 1152773 from Fabian Vogt

(In reply to Takashi Iwai from comment #5)
> SECCOMP_FILTER is available only when CONFIG_OABI_COMPAT=n.  It's explicitly
> limited via commit 9170217510cd280c704966738e7c1660c8fa5cbd
>     ARM: 7888/1: seccomp: not compatible with ARM OABI
> 
> And kernel-lpae defines this, so CONFIG_SECCOMP_FILTER isn't available there.

Sounds like that should be changed. For default it was part of your commit:

Update config files: disable CONFIG_OABI_COMPAT for 32bit Arm (bsc#1165462)

That didn't touch lpae though, it's out of sync.

I don't think much of the diff between default and lpae is intentional, maybe
it should be rebased on default again.