[oe] rename machine oxe810

[Sledz, Steffen]

To avoid future confusions as the maintainer i would like to rename machine oxe810 (this is just the processor) to oxnas (this is the official name of the device). I believe currently there is nobody working with this device outside our company in this early stage, so i see no problem in renaming.

The patch would include the follwoing changes:

# renamed:    conf/machine/oxe810.conf -> conf/machine/oxnas.conf
# renamed:    packages/linux/linux-2.6.24/oxe810/defconfig -> packages/linux/linux-2.6.24/oxnas/defconfig
# renamed:    packages/linux/linux-2.6.24/oxe810/oxe810.diff -> packages/linux/linux-2.6.24/oxnas/oxnas.diff
# modified:   packages/linux/linux_2.6.24.bb

Any objections?

Steffen