docs: Procfs -- Document timerfd output
docs: Procfs -- Document timerfd output

Signed-off-by: Cyrill Gorcunov <7a1ea01eee6961eb1e372e3508c2670446d086f4@openvz.org>
Cc: Andrew Morton <5c1e68b099950c134891f0b6e179498a8ebe9cf9@linux-foundation.org>
Cc: Michael Kerrisk <cc9a9bf9e3f3b546e69143652ae261619ab7ca78@gmail.com>
Cc: Andrey Vagin <74c05afa918858348d6db8037d82fa8124870113@openvz.org>
Cc: Pavel Emelyanov <c9a32589e048e044184536f7ac71ef92fe82df3e@parallels.com>
Cc: Vladimir Davydov <0d62248ee021b6e01c0ee596a62a5b145b996974@parallels.com>
Link: 8c821f10b0cd1f110d8c1b3ee10952cf8ed986b2@openvz.org
Signed-off-by: Thomas Gleixner <00e4cf8f46a57000a44449bf9dd8cbbcc209fd2a@linutronix.de>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs