recipes-bsp: barebox: Changed imx6ul environment to support wifi
recipes-bsp: barebox: Changed imx6ul environment to support wifi

Changed the imx6ul environment to add PEB-WLBT-01 option in
config-expansion. Disabled by default.

This also disables the adc node in the devicetree since the adc pin is
used by the PEB-WLBT-01 as interrupt pin.

Signed-off-by: Stefan Riedmueller <c3365f3fb46321e09058054bbbd3cb5c9c2c30f7@phytec.de>
Signed-off-by: Stefan Müller-Klieser <a3e08e35e4a42be768e7d0e76ae1ba321c2a66dd@phytec.de>

PHYTEC-Messtechnik-GmbH/meta-phytec,PHYTEC-Messtechnik-GmbH/meta-phytec,PHYTEC-Messtechnik-GmbH/meta-phytec,PHYTEC-Messtechnik-GmbH/meta-phytec,PHYTEC-Messtechnik-GmbH/meta-phytec