staging: mt7621-pci: remove 'RALINK_PCI_BAR0SETUP_ADDR' definition

Instead of define RALINK_PCI_BAR0SETUP_ADDR just use standard
pci defnition for this which is 'PCI_BASE_ADDRESS_0'.

Signed-off-by: Sergio Paracuellos <sergio.paracuellos@gmail.com>
Link: https://lore.kernel.org/r/20210607120153.24989-3-sergio.paracuellos@gmail.com


Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>