[OE-core] [backport to Daisy] dbus: fix a hard dependency about dbus-ptest

[Viguera, Javier]

Hi Richard,

> -----Original Message-----
> From: Richard Purdie [mailto:richard.purdie at linuxfoundation.org]
> 
> For what its worth I've pulled the two patches we need into the daisy
> branch for this. I'd appreciate someone confirming it does the right
> thing though.

I've just made a basic test and at least the dbus-ptest issue is solved for me. The package was removed from the rootfs image and the overall size went down in about ~38MB, so yeah I'm happy with that.

Thanks,

Javier Viguera