linux-imx

MAINTAINERS: brcmstb: Include Broadcom internal mailing-list

Include bcm-kernel-feedback-list for all brcmstb patch submission to be
both consistent with how other Broadcom ARM-based SoCs are handled, and
get internal Broadcom people to review these changes.

Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>