drivers: pwm_nxp_s32_emios: add support for pwm capture

This introduces pwm capture shim driver for NXP S32 EMIOS,
the driver uses SAIC mode that is supported for all channels,
to capture the counter value on each edge for period/pulse
measurement

Signed-off-by: Dat Nguyen Duy <dat.nguyenduy@nxp.com>