Draft: bnx2fc: remove dma_alloc/free_coherent

Bugzilla: RH BZ 2101342 Upstream: Not yet upstream Note: MR used to build test kernel, and can be deleted once verification is done.

bnx2fc: remove dma_alloc/free_coherent

BZ2101342: kernel bug at vm/malloc.c

Remove dma_alloc_coherent and dma_free_coherent.
Instead use kzalloc, dma_map_single and kfree.

Signed-off-by: Nilesh Javali njavali@redhat.com