[mlir][linalg] Fix linalg.pack/unpack docs (#129559)

Adds missing relayout ops to Linalg docs tablegen.

Follow-up to #127729

mlir/docs/Dialects/Linalg/_index.md

diff --git a/mlir/docs/Dialects/Linalg/_index.md b/mlir/docs/Dialects/Linalg/_index.md
index b519e41..976f0fd 100644
--- a/mlir/docs/Dialects/Linalg/_index.md
+++ b/mlir/docs/Dialects/Linalg/_index.md
@@ -695,4 +695,3 @@
 ## Operations
 
 [include "Dialects/LinalgOps.md"]
-[include "Dialects/LinalgRelayoutOps.td"]

mlir/include/mlir/Dialect/Linalg/IR/LinalgDoc.td

diff --git a/mlir/include/mlir/Dialect/Linalg/IR/LinalgDoc.td b/mlir/include/mlir/Dialect/Linalg/IR/LinalgDoc.td
index c993e61..fe08b9e 100644
--- a/mlir/include/mlir/Dialect/Linalg/IR/LinalgDoc.td
+++ b/mlir/include/mlir/Dialect/Linalg/IR/LinalgDoc.td
@@ -18,6 +18,7 @@
 
 include "mlir/Dialect/Linalg/IR/LinalgBase.td"
 include "mlir/Dialect/Linalg/IR/LinalgOps.td"
+include "mlir/Dialect/Linalg/IR/LinalgRelayoutOps.td"
 include "mlir/Dialect/Linalg/IR/LinalgStructuredOps.td"
 
 #endif // LINALG_DOC