The previous format was not very practical and hard to parse by
scripts. The current format is easier as it uses more tokens that can be
identified by scripts, while maintaining a reasonably good result when
it is rendered.

Some maintainers maintain more than one subsystem but they were all
part of the same entry. In cases like this the entry has been split
into two to clarify what file belongs to which subsystem.

The list of maintainers of the Trusted Firmware has been updated.

Change-Id: I4be2d527c5171e8d2d86fb49e45e1d9dbcbd2d80
Signed-off-by: Antonio Nino Diaz <antonio.ninodiaz@arm.com>