dma: removed: Merge dma removed changes from 4.14 to msm-kona

This patch is to merge dma removed changes from msm-4.14 to
msm-kona. This includes changes available as a part of the
following commit ids in 4.14:

a.372f0b5a96de76bdae4f716cec1e0bbf7a461b2f
("drivers: dma-removed: fix data type to hold base address")

b.9e8dd5f0495dddb7ca45d6a8a69395ccff17e2bf
("drivers: dma-removed: align size first")

c.2a4c716787addb5cd7a2b979342df79ebed75f73
("drivers: dma-removed: use memset_io for ioremap region")

Conflicts:
	kernel/dma/removed.c

Change-Id: Id0b2a9409e4f7ce86367595cff35810b48bfb4fb
Signed-off-by: Swathi Sridhar <swatsrid@codeaurora.org>