staging: mt7621-dts: fix pci phy register addresses

Both pci-phy0 and pci-phy1 are using bad addresses to search
for its registers. Use proper register values.

Fixes: 06184ba5

: staging: mt7621-dts: add pci-phy related bindings to board's device tree
Reported-by: NeilBrown <neil@brown.name>
Signed-off-by: Sergio Paracuellos <sergio.paracuellos@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>