Remove 'xenclient' directory and move contents to root of xenclient.oe.git

OXT-92

Signed-off-by: Philip Tricca <flihp@twobit.us>
.gitignore: Clean out old rules for build output.

OXT-92

Signed-off-by: Philip Tricca <flihp@twobit.us>
layer.conf: Clean up our specification of BBFILES.

OXT-92

Signed-off-by: Philip Tricca <flihp@twobit.us>
acpid: Move recipe to recipes-bsp.

OXT-92

Signed-off-by: Philip Tricca <flihp@twobit.us>
grub: Move recipe to recipes-bsp.

OXT-92

Signed-off-by: Philip Tricca <flihp@twobit.us>
pciutils: Move recipe to recipes-bsp.

OXT-92

Signed-off-by: Philip Tricca <flihp@twobit.us>
usbutils: Move recipe to recipes-bsp.

OXT-92

Signed-off-by: Philip Tricca <flihp@twobit.us>