This patch fixes an unused variable warning from the compiler when the
driver is being compiled without PCI support in the kernel.

Fixes: 625f269a ("crypto: inside-secure - add support for...")
Signed-off-by: NPascal van Leeuwen <pvanleeuwen@verimatrix.com>
Signed-off-by: NHerbert Xu <herbert@gondor.apana.org.au>