ACPI: Drop typedef global_nvs_t

Bring all GNVS related initialisation function to global
scope to force identical signatures. Followup work is
likely to remove some as duplicates.

Change-Id: Id4299c41d79c228f3d35bc7cb9bf427ce1e82ba1
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/42489
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
diff --git a/src/soc/intel/baytrail/southcluster.c b/src/soc/intel/baytrail/southcluster.c
index 679c04d..38f51ff 100644
--- a/src/soc/intel/baytrail/southcluster.c
+++ b/src/soc/intel/baytrail/southcluster.c
@@ -5,6 +5,7 @@
 #include <device/mmio.h>
 #include <device/pci_ops.h>
 #include <acpi/acpi.h>
+#include <acpi/acpi_gnvs.h>
 #include <bootstate.h>
 #include <cbmem.h>
 #include <console/console.h>
@@ -482,7 +483,7 @@
 
 static void southcluster_inject_dsdt(const struct device *device)
 {
-	global_nvs_t *gnvs;
+	struct global_nvs *gnvs;
 
 	gnvs = cbmem_find(CBMEM_ID_ACPI_GNVS);
 	if (!gnvs) {