dmi: Mark all struct dmi_system_id instances const

... and __initconst if applicable.

Based on similar work for an older kernel in the Grsecurity patch.

[JD: fix toshiba-wmi build]
[JD: add htcpen]
[JD: move __initconst where checkscript wants it]

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jean Delvare <jdelvare@suse.de>

drivers/platform/chrome/chromeos_laptop.c

@@ -518,7 +518,7 @@ static struct chromeos_laptop cr48 = {
 	.callback = chromeos_laptop_dmi_matched, \
 	.driver_data = (void *)&board_
 
-static struct dmi_system_id chromeos_laptop_dmi_table[] __initdata = {
+static const struct dmi_system_id chromeos_laptop_dmi_table[] __initconst = {
 	{
 		.ident = "Samsung Series 5 550",
 		.matches = {

drivers/platform/chrome/chromeos_pstore.c

@@ -14,7 +14,7 @@
 #include <linux/platform_device.h>
 #include <linux/pstore_ram.h>
 
-static struct dmi_system_id chromeos_pstore_dmi_table[] __initdata = {
+static const struct dmi_system_id chromeos_pstore_dmi_table[] __initconst = {
 	{
 		/*
 		 * Today all Chromebooks/boxes ship with Google_* as version and

drivers/platform/chrome/cros_ec_lpc.c

@@ -329,7 +329,7 @@ static const struct acpi_device_id cros_ec_lpc_acpi_device_ids[] = {
 };
 MODULE_DEVICE_TABLE(acpi, cros_ec_lpc_acpi_device_ids);
 
-static struct dmi_system_id cros_ec_lpc_dmi_table[] __initdata = {
+static const struct dmi_system_id cros_ec_lpc_dmi_table[] __initconst = {
 	{
 		/*
 		 * Today all Chromebooks/boxes ship with Google_* as version and