staging: vme_user: Remove NULL-checks

staging: vme_user: Remove NULL-checks

Don't check for empty bridge device & resource in vme_alloc_consistent()
& vme_free_consistent() since they can not be NULL. Both the VME bridge
device and the VME resource that are used in these functions are set at
probe time.

Signed-off-by: Soumya Negi <soumya.negi97@gmail.com>
Suggested-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Link: https://lore.kernel.org/r/049bbedf458e8ac40f3dfff9c9b25dce89f5b642.1697763267.git.soumya.negi97@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>