boards: arm: introduce support for NXP UCANS32K1SIC

Introduce minimal support for NXP UCANS32K1SIC board based on
S32K146 MCUs. This includes support to run from internal Flash or SRAM,
multiple west runners for TRACE32 and J-Link, and the minimal set of
drivers.

Signed-off-by: Manuel Argüelles <manuel.arguelles@nxp.com>