Platforms/Marvell: Add MARVELL_SPI_FLASH_PROTOCOL

Add MARVELL_SPI_FLASH_PROTOCOL and register containg folder in
Marvell/Marvell.dec in order to make it public.
This protocol contains functions used to manage SPI flash.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Jan Dabros <jsd@semihalf.com>
Signed-off-by: Marcin Wojtas <mw@semihalf.com>
Reviewed-by: Leif Lindholm <leif.lindholm@linaro.org>
2 files changed