[OE-core] image.bbclass: USE_DEVFS is now useless

[Richard Purdie]

On Tue, 2014-04-01 at 18:48 +0100, Phil Blundell wrote:
> Also note that the default for USE_DEVFS was (and is) 1, so the lack
> of this check is actually causing a difference in the default
> behaviour.  If there's no appetite for reinstating the USE_DEVFS
> mechanism per se then it seems like it would be a good idea to make
> the default IMAGE_DEVICE_TABLE be blank in order to restore the
> previous default of no /dev in the rootfs.  
>
> At present you get a somewhat arbitrary-seeming smattering of devices
> from meta/files/device_table-minimal.txt, including such anachronisms
> as /dev/ttySA0 and /dev/apm_bios.  It's hard to imagine that anybody
> actually wants this stuff in their rootfs in this day and age.

Can we kill apmd at the same time? Please? :)

Cheers,

Richard