lib/device_tree.c: Change log level message

Move a "NOTE" message from BIOS_DEBUG to BIOS_NOTICE log level.

Change-Id: If92c1ccb5b10a4b29a5006a41ebd0855294f354e
Signed-off-by: Elyes Haouas <ehaouas@noos.fr>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/69498
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Julius Werner <jwerner@chromium.org>
Reviewed-by: Eric Lai <eric_lai@quanta.corp-partner.google.com>
diff --git a/src/lib/device_tree.c b/src/lib/device_tree.c
index b846c25..352f254 100644
--- a/src/lib/device_tree.c
+++ b/src/lib/device_tree.c
@@ -256,8 +256,7 @@
 		return NULL;
 	}
 	if (version > FDT_SUPPORTED_VERSION)
-		printk(BIOS_DEBUG,
-		       "NOTE: FDT version %u too new, should add support!\n",
+		printk(BIOS_NOTICE, "FDT version %u too new, should add support!\n",
 		       version);
 
 	uint32_t struct_offset = be32toh(header->structure_offset);