UPSTREAM: ITE: drivers/i2c: it8xxx2: move pinctrls macro to soc_dt.h

This PR will change accessing the related pinctrl macro from soc_dt.h
And the pinctrl of SCL and SDA were got from pinctrl-0 and pinctrl-1,
respectively. Change it to get from pinctrl-0 only.

BUG=b:187541831
TEST=alternate function is as intended.
console command: md .b 0xf01610 48
00F01610: 00 80 80 80 80 80 80 00 04 00 80 00 00 80 40 40
00F01620: 80 00 00 80 80 80 80 80 80 80 80 80 80 80 80 80
00F01630: 00 80 84 84 84 80 80 00 80 80 80 80 80 80 00 00
check: I2C_0: 0xf0161b, 0xf0161c
       I2C_1: 0xf01621, 0xf01622
       I2C_2: 0xf0163e, 0xf0163f
       I2C_4: 0xf01630, 0xf01637

console command: i2c recovery I2C_0(I2C_1, I2C_2, I2C_4)
waveform is normal.

Signed-off-by: Tim Lin <tim2.lin@ite.corp-partner.google.com>
(cherry picked from commit 6a1262198a125c35e29a77847b17d11b778f4c40)
Change-Id: Ib184e2e8d55600da581644df59dd4c8bc173fc75
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/third_party/zephyr/+/3077745
Reviewed-by: Jack Rosenthal <jrosenth@chromium.org>
Reviewed-by: Keith Short <keithshort@chromium.org>
Commit-Queue: Keith Short <keithshort@chromium.org>
3 files changed