device: Constify struct device * parameter to acpi_inject_dsdt

.acpi_inject_dsdt() does not need to modify the device
structure. Hence, this change makes the struct device * parameter to
acpi_inject_dsdt as const.

Change-Id: I3b096d9a5a9d649193e32ea686d5de9f78124997
Signed-off-by: Furquan Shaikh <furquan@google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/40711
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

src/soc/intel/skylake/acpi.c

@@ -641,7 +641,7 @@ unsigned long southbridge_write_acpi_tables(const struct device *device,
 	return acpi_align_current(current);
 }
 
-void southbridge_inject_dsdt(struct device *device)
+void southbridge_inject_dsdt(const struct device *device)
 {
 	global_nvs_t *gnvs;
 

src/soc/intel/skylake/include/soc/acpi.h

@@ -16,7 +16,7 @@
 void acpi_fill_in_fadt(acpi_fadt_t *fadt);
 unsigned long acpi_madt_irq_overrides(unsigned long current);
 void acpi_mainboard_gnvs(global_nvs_t *gnvs);
-void southbridge_inject_dsdt(struct device *device);
+void southbridge_inject_dsdt(const struct device *device);
 unsigned long southbridge_write_acpi_tables(const struct device *device,
 	unsigned long current, struct acpi_rsdp *rsdp);
 unsigned long northbridge_write_acpi_tables(const struct device *,