Add support for the TI VLYNQ high-speed, serial and packetized bus.

This bus allows external devices to be connected to the System-on-Chip and
appear in the main system memory just like any memory mapped peripheral.
It is widely used in TI's networking and multimedia SoC, including the AR7
SoC.

Signed-off-by: Eugene Konev
Signed-off-by: Florian Fainelli
Cc: Ralf Baechle
Cc: Alan Cox
Cc: Greg KH
Signed-off-by: Andrew Morton
Signed-off-by: Linus Torvalds