Enable galp5 NVIDIA GPU

Change-Id: I9dd1a7b0150672925bf454202947ccace8b0edb7

src/mainboard/system76/galp5/acpi/dgpu.asl

@@ -0,0 +1,22 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+External (\_SB.PCI0.RP01.RTD3)
+
+Device (\_SB.PCI0.RP01.DEV0) {
+	Name(_ADR, 0x00000000)
+
+    Name (_PR0, Package() { \_SB.PCI0.RP01.RTD3 })
+    Name (_PR3, Package() { \_SB.PCI0.RP01.RTD3 })
+
+    Method (_PS0, 0) {
+        Debug = "GPU _PS0"
+        STXS (DGPU_EVENT_N)
+        Sleep (1)
+        CTXS (DGPU_EVENT_N)
+        Sleep (1)
+        STXS (DGPU_EVENT_N)
+    }
+
+    Method (_PS3, 0) {
+        Debug = "GPU _PS3"
+    }
+}

src/mainboard/system76/galp5/acpi/mainboard.asl

@@ -1,5 +1,8 @@
 /* SPDX-License-Identifier: GPL-2.0-only */
 
+#include "../gpio.h"
+#include "dgpu.asl"
+
 #define EC_GPE_SCI 0x6E
 #define EC_GPE_SWI 0x6E
 #include <ec/system76/ec/acpi/ec.asl>

src/mainboard/system76/galp5/bootblock.c

@@ -7,5 +7,5 @@
 
 void bootblock_mainboard_init(void) {
 	gpio_configure_pads(early_gpio_table, ARRAY_SIZE(early_gpio_table));
-	dgpu_power_enable(0);
+	dgpu_power_enable(1);
 }