mb/google/skyrim/var/winterhold: Change touch controller T3

Change stop_delay_ms time(T3) from 180 to 150 to meet specification.

T3 min-value of HID-I2C should be 150ms.

BUG=b:267280863
TEST=emerge-skyrim coreboot chromeos-bootimage.

Change-Id: I7ef7db4edaecece1fa5ab07e30a80e556ed35f8b
Signed-off-by: EricKY Cheng <ericky_cheng@compal.corp-partner.google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/73665
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Tim Van Patten <timvp@google.com>
Reviewed-by: Karthik Ramasubramanian <kramasub@google.com>
Reviewed-by: Eric Lai <eric_lai@quanta.corp-partner.google.com>
diff --git a/src/mainboard/google/skyrim/variants/winterhold/overridetree.cb b/src/mainboard/google/skyrim/variants/winterhold/overridetree.cb
index 755f96f..9dbcd08 100644
--- a/src/mainboard/google/skyrim/variants/winterhold/overridetree.cb
+++ b/src/mainboard/google/skyrim/variants/winterhold/overridetree.cb
@@ -190,7 +190,7 @@
 			register "generic.reset_off_delay_ms" = "1"
 			register "generic.reset_delay_ms" = "10"
 			register "generic.stop_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_LOW(GPIO_76)"
-			register "generic.stop_delay_ms" = "180"
+			register "generic.stop_delay_ms" = "150"
 			register "generic.stop_off_delay_ms" = "1"
 			register "generic.has_power_resource" = "1"
 			register "hid_desc_reg_offset" = "0x01"