[FEATURE] Add TCA autocomplete setting for input fields

This patch adds an additional TCA configuration for input fields to
switch on or off auto completion. This is used for username and password
fields for frontend and backend users.

Resolves: #70126
Releases: master
Change-Id: I1bda9e19826ca975a4e3f56d3f67b82e898e8c2e
Reviewed-on: http://review.typo3.org/43883


Reviewed-by: Nicole Cordes <typo3@cordes.co>
Tested-by: Nicole Cordes <typo3@cordes.co>
Reviewed-by: Andreas Fernandez <typo3@scripting-base.de>
Reviewed-by: Georg Ringer <georg.ringer@gmail.com>
Tested-by: Georg Ringer <georg.ringer@gmail.com>
Reviewed-by: Benni Mack <benni@typo3.org>
Tested-by: Benni Mack <benni@typo3.org>