crossystem: add support for CNL gpiochip

On CNL systems, the pinctrl (gpiochip) driver label is "INT34BB:00".
Declare it properly.

BRANCH=none
BUG=b:71722386
TEST=on Meowth, run 'crossystem wpsw_cur' and see '0' rather than an
error.

Change-Id: I74f3cce19afac9a76e8d3071426e79eb9bb11db9
Reviewed-on: https://chromium-review.googlesource.com/951789
Commit-Ready: Vincent Palatin <vpalatin@chromium.org>
Tested-by: Vincent Palatin <vpalatin@chromium.org>
Reviewed-by: Randall Spangler <rspangler@chromium.org>
Reviewed-by: Benson Leung <bleung@chromium.org>
(cherry picked from commit b739f6163c8a27d988d9e5631df8a42b1c9c478e)
Reviewed-on: https://chromium-review.googlesource.com/954662
Reviewed-by: Shen-En Shih <petershih@chromium.org>
Commit-Queue: Benson Leung <bleung@google.com>
Tested-by: Benson Leung <bleung@google.com>
Trybot-Ready: Benson Leung <bleung@google.com>
diff --git a/host/arch/x86/lib/crossystem_arch.c b/host/arch/x86/lib/crossystem_arch.c
index f026a14..8b859bd 100644
--- a/host/arch/x86/lib/crossystem_arch.c
+++ b/host/arch/x86/lib/crossystem_arch.c
@@ -669,6 +669,7 @@
 	{ "INT3452:01", FindGpioChipOffsetByLabel },
 	{ "INT3452:02", FindGpioChipOffsetByLabel },
 	{ "INT3452:03", FindGpioChipOffsetByLabel },
+	{ "INT34BB:00", FindGpioChipOffsetByLabel },
 	{ "BayTrail", BayTrailFindGpioChipOffset },
 	{ "Braswell", BraswellFindGpioChipOffset },
 	{ NULL },