ut 2.5%.
The parameter order of read and write was fixed as it really doesn't
make sense to change the order as they are parts of the same address
and not source and destination.
Wrapper which use the new functions were added to hw.h to replicate
the old interface and avoid changing all old code.

[jc: added one comment]
Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
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