MAINTAINERS: Update git tree for Broadcom iProc SoCs

Current git tree for Broadcom iProc SoCs is pretty outdated as it has
not updated for a long time. Fix the reference.

Signed-off-by: Kuldeep Singh <singh.kuldeep87k@gmail.com>
This commit is contained in:
Kuldeep Singh 2022-03-07 23:50:59 +05:30 • committed by Florian Fainelli
commit 1860d30466