Filipe Rinaldi authored Jul 05, 2021 and Filipe Rinaldi committed Jul 07, 2021

Add support section in the README and remove support@arm.com from the
maintainers list.

Issue-Id: SCM-3031
Signed-off-by: Filipe Rinaldi <filipe.rinaldi@arm.com>
Change-Id: Id33ffa80a6ee1d219759873e21f7cc7872807743