Didn't add myself as Maintainer earlier, as I was moving out of ST
and didn't had a board to test. But learnt recently that, it's fine being
in MAINTAINERS in such situations, at least I can review the patches.

So, let me add myself.
Signed-off-by: NPratyush Anand <pratyush.anand@gmail.com>
Signed-off-by: NBjorn Helgaas <bhelgaas@google.com>
Acked-by: NJingoo Han <jingoohan1@gmail.com>