staging: wilc1000: remove initialization code of counter variable

There is no need to set to 0 for counter variable before entering next
for-loop statement because counter is initialized again in for-loop
statement, so just remove it.

Signed-off-by: Chaehyun Lim <chaehyun.lim@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>