drivers: pwm: pwm-imx: move pwm-imx-util into pwm-imx

Move pwm_imx_get_parms, pwm_id_to_reg functions into pwm-imx.c
and drop off pwm-imx-util.c

Signed-off-by: Tommaso Merciai <tommaso.merciai@amarulasolutions.com>
4 files changed