Avoid confusing two different things:
- the WDT I/O region size ('iosize')
- at which offset the SoC map the WDT ('offset')
While it is often the same, we can map smaller region sizes
at larger offsets.
Here we are interested in the I/O region size, so rename as
'iosize'.
Reviewed-by: Peter Delevoryas <peter@pjd.dev>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
[ clg: Introduced temporary wdt_offset variable ]
Signed-off-by: Cédric Le Goater <clg@kaod.org>