mb/google/octopus/var/phaser: Hook up Raydium touchscreen

List Raydium touchscreen in the devicetree so that the correct ACPI device
are created.

BUG=b:121105424
BRANCH=octopus
TEST=emerge-octopus coreboot chromeos-bootimage
     reflash the coreboot to DUT, make sure the Raydium touchscreen can work.

Change-Id: I9ffb2a858f31a8b003086806de07f4079870cddf
Signed-off-by: Hao He <hao.he@bitland.corp-partner.google.com>
Reviewed-on: https://review.coreboot.org/c/31116
Reviewed-by: Karthik Ramasubramanian <kramasub@google.com>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Furquan Shaikh <furquan@google.com>
Reviewed-by: Justin TerAvest <teravest@chromium.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
diff --git a/src/mainboard/google/octopus/variants/phaser/overridetree.cb b/src/mainboard/google/octopus/variants/phaser/overridetree.cb
index b131173..625c2a6 100644
--- a/src/mainboard/google/octopus/variants/phaser/overridetree.cb
+++ b/src/mainboard/google/octopus/variants/phaser/overridetree.cb
@@ -159,6 +159,18 @@
 				register "hid_desc_reg_offset" = "0x20"
 				device i2c 20 on end
 			end
+                        chip drivers/i2c/generic
+                               register "hid" = ""RAYD0001""
+                               register "desc" = ""Raydium Touchscreen""
+                               register "irq" = "ACPI_IRQ_EDGE_LOW(GPIO_212_IRQ)"
+                               register "probed" = "1"
+                               register "reset_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPIO_105)"
+                               register "reset_delay_ms" = "1"
+                               register "enable_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPIO_146)"
+                               register "enable_delay_ms" = "50"
+                               register "has_power_resource" = "1"
+                               device i2c 39 on end
+                       end
 		end	# - I2C 7
 	end
 end