regulator: axp20x: fix typo-ed identifier

The registers to set the X-Powers AXP313 regulators are of course
"CONTROL" registers, not "CONRTOL" ones.

Fix the typo in the header file and in its users. No functional change.

Signed-off-by: Andre Przywara <andre.przywara@arm.com>
Acked-by: Jernej Skrabec <jernej.skrabec@gmail.com>
Tested-by: Ryan Walklin <ryan@testtoast.com>
Link: https://lore.kernel.org/r/20240310010211.28653-2-andre.przywara@arm.com


Signed-off-by: Lee Jones <lee@kernel.org>