power: reset: rmobile-reset: Map correct MMIO resource

The registers related to reset generation are located in the second
register block.  However, the conversion to device life-cycle managed
ioremap function accidentally changed the mapping to the first register
block.

Fixes: 0867276e ("power: reset: rmobile-reset: Use devm_platform_ioremap_resource() helper")
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Andrew Davis <afd@ti.com>
Link: https://lore.kernel.org/r/3b267fb1b303f63248934a1a77bee319e1c44879.1708458882.git.geert+renesas@glider.be


Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>