staging: wilc1000: remove 'if' on field address

Remove 'if' statements testing struct's field address.
Since such statements always return true, they are redundant.

Signed-off-by: Dafna Hirschfeld <dafna3@gmail.com>
Acked-by: Julia Lawall <julia.lawall@lip6.fr>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>