fxp: Add code for PCI_REV 0x83

Change-Id: I44456c72ebc041ed31327d7c4a8cb77dacaee990
Lan8710 driver initial version, after first review

Change-Id: If00cf1e098da5875eb040f8765273a6fa5e43e33
removed some 64-bit functions

Change-Id: Idbafdbf13714f984f03770bd3b39521cb1014cdb