[FEATURE] Integrate TCA helper for FAL aware fields

Integrates a helper method to setup proper TCA for FAL fields.

Change-Id: I68b3026fe3264f6fbbe3e1502c53446af5627082
Resolves: #36384
Releases: 6.0
Reviewed-on: http://review.typo3.org/10652
Reviewed-by: Steffen Ritter
Tested-by: Steffen Ritter
Reviewed-by: Susanne Moog
Tested-by: Susanne Moog
Reviewed-by: Tolleiv Nietsch
Tested-by: Tolleiv Nietsch
Reviewed-by: Oliver Hader
Tested-by: Oliver Hader