soc: nxp: consolidate nxp port pinctrl headers

NXP PORT IP instantiations often have different features absent, IE
input buffer, open drain, or slew rate support. Check if the relevant
PCR register bitmasks are defined in the common pin control file, and
define the bitmasks to 0x0 (no effect) if they are not. This allows us
to further consolidate the pinctrl_soc.h headers for SOCs using the PORT
IP.

Signed-off-by: Daniel DeGrasse <daniel.degrasse@nxp.com>