Add mkinitcpio hook for decryption over SSH

Adds the zfsencryptssh hook to allow the user to decrypt a ZFS root
filesystem remotely via SSH, early in the boot process. Sourced from the
archzfs project.

.SRCINFO

@@ -1,7 +1,7 @@
 pkgbase = zfs-utils
 	pkgdesc = Userspace utilities for the Zettabyte File System.
 	pkgver = 2.2.6
-	pkgrel = 1
+	pkgrel = 2
 	url = https://zfsonlinux.org/
 	arch = i686
 	arch = x86_64
@@ -15,6 +15,7 @@ pkgbase = zfs-utils
 	source = zfs-node-permission.conf
 	source = zfs.initcpio.install
 	source = zfs.initcpio.hook
+	source = zfs.initcpio.zfsencryptssh.install
 	validpgpkeys = 4F3BA9AB6D1F8D683DC2DFB56AD860EED4598027
 	validpgpkeys = C33DF142657ED1F7C328A2960AB9E991C6AF658B
 	sha256sums = c92e02103ac5dd77bf01d7209eabdca55c7b3356aa747bb2357ec4222652a2a7
@@ -22,10 +23,12 @@ pkgbase = zfs-utils
 	sha256sums = 7ad45fd291aa582639725f14d88d7da5bd3d427012b25bddbe917ca6d1a07c1a
 	sha256sums = 2f09c742287f4738c7c09a9669f8055cd63d3b9474cd1f6d9447152d11a1b913
 	sha256sums = 15b5acea44225b4364ec6472a08d3d48666d241fe84c142e1171cd3b78a5584f
+	sha256sums = ac9ed396465e26fa6896762c52a93eb7aaf8af6d7b2c69bd826d219ff821b2c9
 	b2sums = 0bbe36df779aaf19460a75725af9c9b13e64e77a6020974ad18d60d9fd52db2ddd6ea98b3e6c7451195bdfb347b8aab51db9b3f9a7c15c77bff47329bbd07dd2
 	b2sums = SKIP
 	b2sums = 7eb3408b1354a4dd504000739101afc7ec0aed1afcdfa029552bf6989e9a8cd4a95b3d3563b3fb7902afa30a80fb01a3f5a2d5af82f9c734c48b5cc23aac25ca
 	b2sums = cb774227f157573f960bdb345e5b014c043a573c987d37a1db027b852d77a5eda1ee699612e1d8f4a2770897624889f1a3808116a171cc4c796a95e3caa43012
 	b2sums = 779c864611249c3f21d1864508d60cfe5e0f5541d74fb3093c6bdfa56be2c76f386ac1690d363beaee491c5132f5f6dbc01553aa408cda579ebca74b0e0fd1d0
+	b2sums = fcd871d72c62a7c99d6cf29cb40a4751bfc08238ff39e8c9440d119754e92ded4705414710db86e99d044011f3524e54c778bda94696dde2c06b3289da6628d0
 
 pkgname = zfs-utils