mb/google/dedede/var/lantis: Config I2C high and low time for touchpad

BUG=b:173709409
BRANCH=dedede
TEST=EE measured result is 390.8kHZ

Change-Id: I7a6475fd29d4c9f8efa78a42a112b5565511b939
Signed-off-by: Tony Huang <tony-huang@quanta.corp-partner.google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/48867
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Karthik Ramasubramanian <kramasub@google.com>

src/mainboard/google/dedede/variants/lantis/overridetree.cb

@@ -33,6 +33,12 @@ chip soc/intel/jasperlake
 		},
 		.i2c[0] = {
 			.speed = I2C_SPEED_FAST,
+			.speed_config[0] = {
+				.speed = I2C_SPEED_FAST,
+				.scl_lcnt = 185,
+				.scl_hcnt = 95,
+				.sda_hold = 40,
+			}
 		},
 		.i2c[2] = {
 			.speed = I2C_SPEED_FAST,