mb/google/poppy: Configure pen reset and eject lines

This change configures the GPIOs for pen reset and eject lines and
exports required properties using ACPI table.

BUG=b:70773138

Change-Id: I52f6c3dced54259cde8ee6753275622622e15954
Signed-off-by: Furquan Shaikh <furquan@chromium.org>
Reviewed-on: https://review.coreboot.org/22926
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
diff --git a/src/mainboard/google/poppy/variants/baseboard/devicetree.cb b/src/mainboard/google/poppy/variants/baseboard/devicetree.cb
index 22ef9aa..ceb0c95 100644
--- a/src/mainboard/google/poppy/variants/baseboard/devicetree.cb
+++ b/src/mainboard/google/poppy/variants/baseboard/devicetree.cb
@@ -308,6 +308,11 @@
 				register "generic.hid" = ""WCOM50C1""
 				register "generic.desc" = ""WCOM Digitizer""
 				register "generic.irq" = "ACPI_IRQ_LEVEL_LOW(GPP_D1_IRQ)"
+				register "generic.wake" = "GPE0_DW1_12"
+				register "generic.has_power_resource" = "1"
+				register "generic.disable_gpio_export_in_crs" = "1"
+				register "generic.reset_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_LOW(GPP_D3)"
+				register "generic.reset_delay_ms" = "1"
 				register "hid_desc_reg_offset" = "0x1"
 				device i2c 0x9 on end
 			end