chromeos: stop sharing write protect GPIO with depthcharge

wpsw_boot is deprecated in favour of wpsw_cur.  As such,
coreboot no longer needs to share "write protect" GPIO
with depthcharge.

BUG=b:124141368, chromium:950273
TEST=make clean && make test-abuild
BRANCH=none

Change-Id: I2fcb7f82aa063fd72928171af5cbef0356ba620c
Signed-off-by: Joel Kitching <kitching@google.com>
Cq-Depend: chromium:2088434
Reviewed-on: https://review.coreboot.org/c/coreboot/+/39318
Reviewed-by: Furquan Shaikh <furquan@google.com>
Reviewed-by: Julius Werner <jwerner@chromium.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

src/mainboard/intel/baskingridge/chromeos.c

@@ -23,9 +23,6 @@
 void fill_lb_gpios(struct lb_gpios *gpios)
 {
 	struct lb_gpio chromeos_gpios[] = {
-		/* Write Protect: GPIO22 */
-		{0, ACTIVE_LOW, !get_write_protect_state(), "write protect"},
-
 		/* Recovery: GPIO69 - SV_DETECT - J8E3 (silkscreen: J8E2) */
 		{69, ACTIVE_HIGH, get_recovery_mode_switch(), "presence"},