[mlir][Bazel] Adapt BUILD.bazel for move of lsp-server support files.

Differential Revision: https://reviews.llvm.org/D121891

utils/bazel/llvm-project-overlay/mlir/BUILD.bazel

@@ -2998,6 +2998,23 @@ cc_library(
     deps = ["//llvm:Support"],
 )
 
+cc_library(
+    name = "MlirLspServerSupportLib",
+    srcs = glob(
+        [
+            "lib/Tools/lsp-server-support/*.cpp",
+        ],
+    ),
+    hdrs = glob(
+        [
+            "lib/Tools/lsp-server-support/*.h",
+        ],
+    ),
+    deps = [
+        ":Support",
+    ],
+)
+
 cc_library(
     name = "MlirLspServerLib",
     srcs = glob(
@@ -3014,6 +3031,7 @@ cc_library(
     includes = ["include"],
     deps = [
         ":IR",
+        ":MlirLspServerSupportLib",
         ":Parser",
         ":Support",
         "//llvm:Support",