soc: fsl: qe: gpio: Add qe_gpio_set_multiple

This cousin to gpio-mpc8xxx was lacking a multiple pins method,
add one.

Signed-off-by: Joakim Tjernlund <joakim.tjernlund@infinera.com>
Reviewed-by: Qiang Zhao <qiang.zhao@nxp.com>
Signed-off-by: Li Yang <leoyang.li@nxp.com>