crypto: qat - honor CRYPTO_TFM_REQ_MAY_SLEEP flag

[ Upstream commit 8fb203c6 ]

If a request has the flag CRYPTO_TFM_REQ_MAY_SLEEP set, allocate memory
using the flag GFP_KERNEL otherwise use GFP_ATOMIC.

Signed-off-by: Giovanni Cabiddu <giovanni.cabiddu@intel.com>
Reviewed-by: Adam Guerin <adam.guerin@intel.com>
Reviewed-by: Wojciech Ziemba <wojciech.ziemba@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Stable-dep-of: eb7713f5 ("crypto: qat - unmap buffer before free for DH")
Signed-off-by: Sasha Levin <sashal@kernel.org>