staging: wilc1000: make use of put_unaligned_le32 in handle_set_wfi_drv_handler()

Make use of put_unaligned_le32() function to pack the wid command buffer
for firmware.

Signed-off-by: Ajay Singh <ajay.kathat@microchip.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>