crypto: qat - make adf_dev_autoreset() static

The function adf_dev_autoreset() is only used within adf_aer.c and does
not need to be exposed outside the compilation unit.  Make it static and
remove it from the header adf_common_drv.h.

This does not introduce any functional change.

Signed-off-by: Giovanni Cabiddu <giovanni.cabiddu@intel.com>
Reviewed-by: Ahsan Atta <ahsan.atta@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>