net/bnx2x: localize mapping of ethdev to PCI device
net/bnx2x: localize mapping of ethdev to PCI device

Use device private information to minimize the places that assume eth_dev
contains pci_dev.

Signed-off-by: Jan Blunck <428a1e03bf18d7720952a3563b48222e4a94a135@infradead.org>
Acked-by: Harish Patil <011828aa8c6d8759d925e6e8880645d7f6744b56@qlogic.com>

john-mcnamara-intel/dpdk,john-mcnamara-intel/dpdk,john-mcnamara-intel/dpdk,john-mcnamara-intel/dpdk