pci: endpoint: for 4.12

 *) Add PCI endpoint core layer
 *) Modify designware and dra7xx driver to be configured in EP mode
 *) Add a PCI endpoint *test* function driver and corresponding host
    driver

Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1.4.11 (GNU/Linux)
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=gnon
-----END PGP SIGNATURE-----