crypto: qat - Removes the x86 dependency on the QAT drivers

This dependency looks outdated. After the previous patch, we have been able
to use this driver to encrypt some data and to create working VF on arm64.
We have not tested it yet on any big endian machine, hence the new dependency

Signed-off-by: Yoan Picchi <yoan.picchi@arm.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>