mb/google/dedede/variants/waddledoo: Modify ELAN touchscreen slave address

Modify ELAN EKTH6918 USI touchscreen slave address to 0x10.

BUG=b:152936745
TEST="emerge-dedede coreboot chromeos-bootimage", build successful.

Signed-off-by: Ian Feng <ian_feng@compal.corp-partner.google.com>
Change-Id: I999967b0f37c82ff7811e3b6117baab795a11195
Reviewed-on: https://review.coreboot.org/c/coreboot/+/41277
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Karthik Ramasubramanian <kramasub@google.com>

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

@@ -105,7 +105,7 @@ chip soc/intel/jasperlake
 				register "generic.enable_delay_ms" = "1"
 				register "generic.has_power_resource" = "1"
 				register "hid_desc_reg_offset" = "0x01"
-				device i2c 15 on end
+				device i2c 10 on end
 			end
 		end # I2C 2
 		device pci 1c.7 on