udf: Fix detection of VAT version

We incorrectly (way to strictly) checked version of VAT on loading and thus
refuse to mount correct media.  There are just two format versions - below 2.0
and above 2.0 and we understand both. So update the version check accordingly.

Signed-off-by: Jan Kara <jack@suse.cz>
diff --git a/fs/udf/super.c b/fs/udf/super.c
index 28ed3f5..14f965e 100644
--- a/fs/udf/super.c
+++ b/fs/udf/super.c
@@ -1256,12 +1256,12 @@
 				u16 suf =
 					le16_to_cpu(((__le16 *)upm2->partIdent.
 							identSuffix)[0]);
-				if (suf == 0x0150) {
+				if (suf < 0x0200) {
 					map->s_partition_type =
 							UDF_VIRTUAL_MAP15;
 					map->s_partition_func =
 							udf_get_pblock_virt15;
-				} else if (suf == 0x0200) {
+				} else {
 					map->s_partition_type =
 							UDF_VIRTUAL_MAP20;
 					map->s_partition_func =