nvme-pci: fix mempool alloc size
This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v5.10.163 by commit dfb6d54893d544151e7f480bc44cfe7823f5ad23, it was introduced in version v4.18 by commit 943e942e6266f22babee5efeb00f8f672fbff5bd. For more details please see the references link.