drivers: mipi_dbi: nxp_lcdic: add support for 8080 mode

Enable support for 8 bit 8080 mode in the NXP LCDIC driver. Support
for programming the minimum duration of the write active/inactive signal
is also added, since this will be required to support high display
clocks in 8080 mode.

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