The PCI pool API is deprecated. This commits replaces the PCI pool old
API by the appropriated function with the DMA pool API. It also updates
the name of some variables and the content of comments, accordingly.[...]
Signed-off-by: Romain Perier <romain.perier@xxxxxxxxxxxxx>
Reviewed-by: Peter Senna Tschudin <peter.senna@xxxxxxxxxxxxx>