[yocto] Remove Bluez4 and add Bluez5 in core-image-base

[Khem Raj]

On 14-08-26 20:18:36, jags gediya wrote:
> I am using yocto project for imx6sl evolution kit based custom board.
> I want to use core-image-base as basic image and put other packages on that.
> By default , core-image-base have Bluez4, but i want to use Bluez5.
> How can i remove default Bluez4 from core-image-base?

PREFERRED_PROVIDER_bluez4 ?= "bluez5"
and have 'bluetooth' in DISTRO_FEATURES