mb/google/nissa/var/craask: Enable PIXA touchpad

Add PIXA touchpad for variants of craask.

BUG=b:310489697
TEST=build craask firmware and test with PIXA touchpad

Change-Id: I7e68a44eb3d639eaadb5b7b9cb5a6955fd059eeb
Signed-off-by: Tyler Wang <tyler.wang@quanta.corp-partner.google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/79212
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Ren Kuo <ren.kuo@quanta.corp-partner.google.com>
Reviewed-by: David Wu <david_wu@quanta.corp-partner.google.com>
Reviewed-by: Eric Lai <ericllai@google.com>
Reviewed-by: Paul Menzel <paulepanter@mailbox.org>
diff --git a/src/mainboard/google/brya/variants/craask/overridetree.cb b/src/mainboard/google/brya/variants/craask/overridetree.cb
index eb16142..9fff00f 100644
--- a/src/mainboard/google/brya/variants/craask/overridetree.cb
+++ b/src/mainboard/google/brya/variants/craask/overridetree.cb
@@ -598,6 +598,15 @@
 				register "hid_desc_reg_offset" = "0x20"
 				device i2c 0x2c on end
 			end
+			chip drivers/i2c/hid
+				register "generic.hid" = ""PIXA2303""
+				register "generic.desc" = ""PIXA Touchpad""
+				register "generic.irq" = "ACPI_IRQ_WAKE_LEVEL_LOW(GPP_F14_IRQ)"
+				register "generic.wake" = "GPE0_DW2_14"
+				register "generic.detect" = "1"
+				register "hid_desc_reg_offset" = "0x20"
+				device i2c 0x68 on end
+			end
 		end
 		device ref hda on
 			chip drivers/generic/max98357a