Remove pinmux file where possible, and remove all pinmux driver usage
where file cannot be removed. All kinetis boards no longer use pinmux
driver.
Signed-off-by: Daniel DeGrasse <daniel.degrasse@nxp.com>
This adds support for NXP's Freedom K22 board.
Co-authored-by: Sean Nyekjaer <sean.nyekjaer@prevas.dk>
Co-authored-by: Tom Burdick <thomas.burdick@gmail.com>
Signed-off-by: Tom Burdick <thomas.burdick@gmail.com>