Linux: add support information for Loong64 version

Change-Id: I68c91282c91d8da56d1817dc0c19aec18280c700
Reviewed-on: https://go-review.googlesource.com/c/wiki/+/579535
Auto-Submit: Ian Lance Taylor <iant@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
Commit-Queue: Ian Lance Taylor <iant@golang.org>
diff --git a/Linux.md b/Linux.md
index cb684b1..efdfd85 100644
--- a/Linux.md
+++ b/Linux.md
@@ -13,5 +13,6 @@
 | TBD                | arm64, ppc64, ppc64le | Go 1.5                      |                           |
 | 3.1 or above       | arm                   | Go 1.1 _*_                  |                           |
 | 2.6.23 or above    | amd64, 386            | Go 1 _*_                    |                           |
+| 5.19 or above      | loong64               | Go 1.19                     |                           |
 
 _*_ Go 1.5 or above is recommended.