'virtio_hw_internal' global variable is defined in both 'crypto/virtio'
and 'net/virtio' PMDs. This means they share same storage when
application linked with static DPDK library, which is not the intention.
Fixing by adding 'crypto_' prefix to the 'crypto/virtio' driver.
Issue has been detected by '-fno-common' gcc flag.
Fixes: 25500d4b80 ("crypto/virtio: support device init")
Cc: stable@dpdk.org
Signed-off-by: Ferruh Yigit <ferruh.yigit@intel.com>