iommu/exynos: Document internal structures

Add a few words of comment to all internal structures used by the driver.

Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Tested-by: Javier Martinez Canillas <javier.martinez@collabora.co.uk>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
This commit is contained in:
Marek Szyprowski 2015-05-19 15:20:31 +02:00 • committed by Joerg Roedel
commit 2860af3c8f