mainboard/google/reef: allow variants to modify nhlt oem revision

In order to mirror the full flexibility of the NHLT library that
allows a caller to set the OEM revision field in the ACPI header
modify the variant callback to override the value.

Change-Id: I16e539b350a50e3c163be1439c8637b82e53a759
Signed-off-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: https://review.coreboot.org/17651
Reviewed-by: Furquan Shaikh <furquan@google.com>
Tested-by: build bot (Jenkins)

1 files changed, 4 insertions, 3 deletions

diff --git a/src/mainboard/google/reef/mainboard.c b/src/mainboard/google/reef/mainboard.c
index 44858d4946..4425c0184c 100644
--- a/src/mainboard/google/reef/mainboard.c
+++ b/src/mainboard/google/reef/mainboard.c
@@ -41,8 +41,9 @@ static void mainboard_init(void *chip_info)
 	mainboard_ec_init();
 }
 
-void __attribute__((weak)) variant_nhlt_oem_strings(const char **oem_id,
-						const char **oem_table_id)
+void __attribute__((weak)) variant_nhlt_oem_overrides(const char **oem_id,
+						const char **oem_table_id,
+						uint32_t *oem_revision)
 {
 }
 
@@ -64,7 +65,7 @@ static unsigned long mainboard_write_acpi_tables(
 		return start_addr;
 
 	variant_nhlt_init(nhlt);
-	variant_nhlt_oem_strings(&oem_id, &oem_table_id);
+	variant_nhlt_oem_overrides(&oem_id, &oem_table_id, &oem_revision);
 
 	end_addr = nhlt_soc_serialize_oem_overrides(nhlt, start_addr,
 			oem_id, oem_table_id, oem_revision);