Revert "[net-fs/openafs-kernel] temp. port Portage ebuild, drop asap"

This reverts commit 5df8324643090a22ba2e78e19f76e9e908dfdfa8.
Revert "Revert "[net-fs/openafs-kernel] temp. port Portage ebuild, drop asap""

This reverts commit e267e9ec302775da70ae58b46abeef94334f5fe3.
[net-fs/openafs-kernel] fix CONFIG_DEBUG_RODATA idiocy