staging: wilc1000: remove WILC_TimerCreate()

It was just a wrapper around setup_timer() and could never fail, so just
call the real function, and fix up the function arguments of the
callbacks to be proper timer callback functions.

Cc: Johnny Kim <johnny.kim@atmel.com>
Cc: Rachel Kim <rachel.kim@atmel.com>
Cc: Dean Lee <dean.lee@atmel.com>
Cc: Chris Park <chris.park@atmel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>