pinctrl: renesas: r8a779g0: Add pins, groups and functions

This patch adds SCIF, I2C, EthernetAVB, HSCIF, MMC, QSPI, MSIOF, PWM,
CAN-FD, Ethernet-TSN, PCIe pins, groups, and functions.

This patch was created based on the Rev.0.51 datasheet.
Signed-off-by: Phong Hoang <phong.hoang.wz@renesas.com>
Signed-off-by: Hai Pham <hai.pham.ud@renesas.com>
Signed-off-by: Thanh Quan <thanh.quan.xn@renesas.com>
Signed-off-by: CongDang <cong.dang.xn@renesas.com>
Signed-off-by: Kazuya Mizuguch <kazuya.mizuguchi.ks@renesas.com>
Signed-off-by: Tho Vu <tho.vu.wh@renesas.com>
[Morimoto: merged above patches into one, cleanup white space, sort modules alphabetically, fixup comments]
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Link: https://lore.kernel.org/r/87bku9ty0b.wl-kuninori.morimoto.gx@renesas.comSigned-off-by: Geert Uytterhoeven <geert+renesas@glider.be>