regulator: add fixes with MT6323 dt-bindings shouldn't reference driver

DT bindings shouldn't reference drivers and they should be OS-agnostic.
Signed-off-by: Sean Wang <sean.wang@mediatek.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

Documentation/devicetree/bindings/regulator/mt6323-regulator.txt

-Mediatek MT6323 Regulator Driver
+Mediatek MT6323 Regulator
 
 All voltage regulators are defined as subnodes of the regulators node. A list
 of regulators provided by this controller are defined as subnodes of the