drivers: usb: usb_dc_kinetis: fix k_heap_alloc wait duration

Change k_heap_alloc wait duration to K_NO_WAIT in kinetis USB driver,
since the usb_dc_ep_configure function may be called from an ISR
context, where only K_NO_WAIT would be allowed as a duration for this
function.

Fixes #66507

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