PCI: endpoint: pci-epf-vntb: Remove unused epf_db_phy struct member

epf_db_phy member in struct epf_ntb is not used, remove it.

Link: https://lore.kernel.org/r/20221102141014.1025893-5-Frank.Li@nxp.comSigned-off-by: NFrank Li <frank.li@nxp.com>
Signed-off-by: NLorenzo Pieralisi <lpieralisi@kernel.org>
Acked-by: NManivannan Sadhasivam <mani@kernel.org>

drivers/pci/endpoint/functions/pci-epf-vntb.c

@@ -136,7 +136,6 @@ struct epf_ntb {
 
 	struct epf_ntb_ctrl *reg;
 
-	phys_addr_t epf_db_phy;
 	void __iomem *epf_db;
 
 	phys_addr_t vpci_mw_phy[MAX_MW];