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/common/block/uart/uart.c b/src/soc/intel/common/block/uart/uart.c
index cc5e485..0c641f3 100644
--- a/src/soc/intel/common/block/uart/uart.c
+++ b/src/soc/intel/common/block/uart/uart.c
@@ -1,7 +1,7 @@
 /* SPDX-License-Identifier: GPL-2.0-only */
 
 #include <acpi/acpi.h>
-#include <cbmem.h>
+#include <acpi/acpi_gnvs.h>
 #include <console/uart.h>
 #include <device/device.h>
 #include <device/pci.h>
@@ -167,7 +167,7 @@
  */
 static bool pch_uart_init_debug_controller_on_resume(void)
 {
-	global_nvs_t *gnvs = cbmem_find(CBMEM_ID_ACPI_GNVS);
+	global_nvs_t *gnvs = acpi_get_gnvs();
 
 	if (gnvs)
 		return !!gnvs->uior;