device: Constify struct device * parameter to write_acpi_tables

.write_acpi_tables() should not be updating the device structure. This
change makes the struct device * argument to it as const.

Change-Id: I50d013e83a404e0a0e3837ca16fa75c7eaa0e14a
Signed-off-by: Furquan Shaikh <furquan@google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/40701
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-by: Raul Rangel <rrangel@chromium.org>

src/mainboard/intel/cannonlake_rvp/mainboard.c

@@ -19,7 +19,7 @@ static void mainboard_init(void *chip_info)
 	gpio_configure_pads(pads, num);
 }
 
-static unsigned long mainboard_write_acpi_tables(struct device *device,
+static unsigned long mainboard_write_acpi_tables(const struct device *device,
 						 unsigned long current,
 						 acpi_rsdp_t *rsdp)
 {

src/mainboard/intel/coffeelake_rvp/mainboard.c

@@ -18,7 +18,7 @@ static void mainboard_init(void *chip_info)
 	gpio_configure_pads(pads, num);
 }
 
-static unsigned long mainboard_write_acpi_tables(struct device *device,
+static unsigned long mainboard_write_acpi_tables(const struct device *device,
 						 unsigned long current,
 						 acpi_rsdp_t *rsdp)
 {

src/mainboard/intel/glkrvp/mainboard.c

@@ -30,7 +30,7 @@ static void mainboard_init(void *chip_info)
 }
 
 static unsigned long mainboard_write_acpi_tables(
-	struct device *device, unsigned long current, acpi_rsdp_t *rsdp)
+	const struct device *device, unsigned long current, acpi_rsdp_t *rsdp)
 {
 	uintptr_t start_addr;
 	uintptr_t end_addr;

src/mainboard/intel/kunimitsu/mainboard.c

@@ -26,7 +26,7 @@ static uint8_t select_audio_codec(void)
 }
 
 static unsigned long mainboard_write_acpi_tables(
-	struct device *device, unsigned long current, acpi_rsdp_t *rsdp)
+	const struct device *device, unsigned long current, acpi_rsdp_t *rsdp)
 {
 		uintptr_t start_addr;
 		uintptr_t end_addr;