ARM: msm: add support for logged IO accessors

This is a snapshot of logged IO accessor functions as the following
commit in the msm-3.10 tree:

'commit acdce027751d5a ("Merge defconfig: arm64: Enable
ONESHOT_SYNC for msm8994")'

Change-Id: I4d52ad23cc40d03d2bae1d3942c8d35543a0d461
Signed-off-by: Josh Cartwright <joshc@codeaurora.org>
[sramana: Fixied merge conflicts]
Signed-off-by: Srinivas Ramana <sramana@codeaurora.org>
Signed-off-by: Jeevan Shriram <jshriram@codeaurora.org>