pinctrl: sh-pfc: r8a7795-es1: Use generic IOCTRL register description

Move R-Car H3 ES1.x I/O voltage support over to the generic way to
describe IOCTRL registers, which will be needed for suspend/resume
support.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
1 file changed