ARM: dts: s5pv210: align pinctrl with dtschema

Align the pin controller related nodes with dtschema.  No functional
change expected.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Link: https://lore.kernel.org/r/20220111201722.327219-17-krzysztof.kozlowski@canonical.com