ACPI: Replace uses of CBMEM_ID_ACPI_GNVS

These are the simple cbmem_find() cases. Also drop the redundant
error messages.

Change-Id: I78e5445eb09c322ff94fe4f65345eb2997bd10ef
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/42361
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-by: Nico Huber <nico.h@gmx.de>
diff --git a/src/soc/intel/broadwell/adsp.c b/src/soc/intel/broadwell/adsp.c
index b8699a2..27368c0 100644
--- a/src/soc/intel/broadwell/adsp.c
+++ b/src/soc/intel/broadwell/adsp.c
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: GPL-2.0-only */
 
-#include <cbmem.h>
+#include <acpi/acpi_gnvs.h>
 #include <console/console.h>
 #include <device/device.h>
 #include <device/pci.h>
@@ -85,11 +85,9 @@
 		printk(BIOS_INFO, "ADSP: Enable ACPI Mode IRQ3\n");
 
 		/* Find ACPI NVS to update BARs */
-		gnvs = (global_nvs_t *)cbmem_find(CBMEM_ID_ACPI_GNVS);
-		if (!gnvs) {
-			printk(BIOS_ERR, "Unable to locate Global NVS\n");
+		gnvs = acpi_get_gnvs();
+		if (!gnvs)
 			return;
-		}
 
 		/* Save BAR0 and BAR1 to ACPI NVS */
 		gnvs->dev.bar0[SIO_NVS_ADSP] = (u32)bar0->base;