picoimx: Removed unused config

Removed unused def configs for Brillo.
We use BCM4339 WiFi card for Brillo only.
The BRCMFMAC will be conflict with the
BCM4339 if use the Brillo's kernel.mk.

Bug:28768869

Change-Id: I63632373d4a239cdc9e0dfbaff90deda49c6f4e0
Signed-off-by: Haoran Wang <Haoran.Wang@freescale.com>
1 file changed