pinctrl: renesas: Add R8A779H0 V4M PFC tables

Add pinctrl tables for R8A779H0 V4M SoC.

The current version of these PFC tables is imported and squashed from:
https://lore.kernel.org/linux-renesas-soc/cover.1706264667.git.geert+renesas@glider.be/

Signed-off-by: Hai Pham <hai.pham.ud@renesas.com>