staging: wilc1000: Remove initialization of static variables

Address the following checkpatch errors:
* ERROR: do not initialise statics to false
* ERROR: do not initialise statics to 0x00

Signed-off-by: Eva Rachel Retuya <eraretuya@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>