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/southbridge/intel/i82801jx/lpc.c b/src/southbridge/intel/i82801jx/lpc.c
index c36009e..2533d8c 100644
--- a/src/southbridge/intel/i82801jx/lpc.c
+++ b/src/southbridge/intel/i82801jx/lpc.c
@@ -12,6 +12,7 @@
 #include <device/pci_ops.h>
 #include <arch/ioapic.h>
 #include <acpi/acpi.h>
+#include <acpi/acpi_gnvs.h>
 #include <cpu/x86/smm.h>
 #include <acpi/acpigen.h>
 #include <arch/smp/mpspec.h>
@@ -497,9 +498,9 @@
 	}
 }
 
-static void southbridge_inject_dsdt(const struct device *dev)
+void southbridge_inject_dsdt(const struct device *dev)
 {
-	global_nvs_t *gnvs = cbmem_add (CBMEM_ID_ACPI_GNVS, sizeof(*gnvs));
+	struct global_nvs *gnvs = cbmem_add(CBMEM_ID_ACPI_GNVS, sizeof(*gnvs));
 
 	if (gnvs) {
 		memset(gnvs, 0, sizeof(*gnvs));