sizes.h is used throughout the AMBA code and drivers, so the header
should be available to everyone in order to driver AMBA/PrimeCell
peripherals behind a PCI bridge where the host can be any platform
(I'm doing it under x86).

At this step includes ,
to allow a grace period for both in-tree and out-of-tree drivers.

Signed-off-by: Alessandro Rubini
Acked-by: Giancarlo Asnaghi
Acked-by: Linus Walleij
Cc: Alan Cox
Signed-off-by: Russell King