device: Constify struct device * parameter to acpi_fill_ssdt()

.acpi_fill_ssdt() does not need to modify the device structure. This
change makes the struct device * parameter to acpi_fill_ssdt() as
const.

Change-Id: I110f4c67c3b6671c9ac0a82e02609902a8ee5d5c
Signed-off-by: Furquan Shaikh <furquan@google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/40710
Reviewed-by: HAOUAS Elyes <ehaouas@noos.fr>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

src/drivers/generic/adau7002/adau7002.c

@@ -14,7 +14,7 @@
 #define ADAU7002_ACPI_NAME	"ADAU"
 #define ADAU7002_ACPI_HID	"ADAU7002"
 
-static void adau7002_fill_ssdt(struct device *dev)
+static void adau7002_fill_ssdt(const struct device *dev)
 {
 	struct drivers_generic_adau7002_config *config;
 	struct acpi_dp *dp;

src/drivers/generic/generic/generic.c

@@ -10,7 +10,7 @@
 #include <string.h>
 #include "chip.h"
 
-static void generic_dev_fill_ssdt_generator(struct device *dev)
+static void generic_dev_fill_ssdt_generator(const struct device *dev)
 {
 	struct acpi_dp *dsd;
 	struct drivers_generic_generic_config *config = dev->chip_info;

src/drivers/generic/gpio_keys/gpio_keys.c

@@ -46,7 +46,7 @@ static struct acpi_dp *gpio_keys_add_child_node(
 	return dsd;
 }
 
-static void gpio_keys_fill_ssdt_generator(struct device *dev)
+static void gpio_keys_fill_ssdt_generator(const struct device *dev)
 {
 	struct drivers_generic_gpio_keys_config *config = dev->chip_info;
 	const char *scope = acpi_device_scope(dev);

src/drivers/generic/gpio_regulator/gpio_regulator.c

@@ -9,7 +9,7 @@
 
 #include "chip.h"
 
-static void gpio_regulator_fill_ssdt_generator(struct device *dev)
+static void gpio_regulator_fill_ssdt_generator(const struct device *dev)
 {
 	struct drivers_generic_gpio_regulator_config *config = dev->chip_info;
 	const char *scope = acpi_device_scope(dev);

src/drivers/generic/max98357a/max98357a.c

@@ -14,7 +14,7 @@
 
 #define MAX98357A_ACPI_NAME	"MAXM"
 
-static void max98357a_fill_ssdt(struct device *dev)
+static void max98357a_fill_ssdt(const struct device *dev)
 {
 	struct drivers_generic_max98357a_config *config = dev->chip_info;
 	const char *path;