Staging:wilc1000:host_interface: Integrated two 'if' statements to a single 'if' statement

Removed unnecessary 'if' statement and integrated the condition to the
previous 'if' statement.

Signed-off-by: Georgios Emmanouil <geo.emmnl@gmail.com>
Reviewed-by: Julian Calaby <julian.calaby@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>