PAX: PoC phase 1 - add paxctl-like functionality to mac_bsdextended(4)/ugidfw(8)
PAX: Clean up debugging code and remove unneeded comments.
PAX: style(9) after Shawn's fixes

Signed-off-by: Oliver Pinter <oliver.pntr@gmail.com>
PAX: added options MAC_BSDEXTENDED to OP-ASLR kernel config

Signed-off-by: Oliver Pinter <oliver.pntr@gmail.com>