iwlwifi: use dma_alloc_coherent

Change pci_alloc_consistent() to dma_alloc_coherent() so we can use
GFP_KERNEL flag.

Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
6 files changed