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>
diff --git a/MAINTAINERS b/MAINTAINERS
index e9caa4b..19b020d 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -2356,6 +2356,7 @@
 M:	Gregory Fong <gregory.0xf0@gmail.com>
 M:	Florian Fainelli <f.fainelli@gmail.com>
 L:	linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
+L:	bcm-kernel-feedback-list@broadcom.com
 T:	git git://github.com/broadcom/stblinux.git
 S:	Maintained
 F:	arch/arm/mach-bcm/*brcmstb*