configs: fsl: move via specific defines to Kconfig

Moves below via specific defines to Kconfig:

	CONFIG_FSL_VIA

Signed-off-by: Rajesh Bhagat <rajesh.bhagat@nxp.com>
[Rebased]
Signed-off-by: Priyanka Jain <priyanka.jain@nxp.com>
5 files changed