[bazel][mlir] Port b8ba3c2 (#209854)

Add SCFToAffine target + deps

Author: rupprecht

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

@@ -4430,6 +4430,7 @@ cc_library(
         ":PDLToPDLInterp",
         ":RaiseWasmToMLIR",
         ":ReconcileUnrealizedCasts",
+        ":SCFToAffine",
         ":SCFToControlFlow",
         ":SCFToEmitC",
         ":SCFToGPU",
@@ -8318,6 +8319,26 @@ cc_library(
     ],
 )
 
+cc_library(
+    name = "SCFToAffine",
+    srcs = ["lib/Conversion/SCFToAffine/SCFToAffine.cpp"],
+    hdrs = ["include/mlir/Conversion/SCFToAffine/SCFToAffine.h"],
+    includes = ["include"],
+    deps = [
+        ":AffineDialect",
+        ":ArithDialect",
+        ":ConversionPassIncGen",
+        ":DataLayoutInterfaces",
+        ":IR",
+        ":Pass",
+        ":SCFDialect",
+        ":Support",
+        ":TransformUtils",
+        ":Transforms",
+        "//llvm:Support",
+    ],
+)
+
 cc_library(
     name = "SCFToControlFlow",
     srcs = ["lib/Conversion/SCFToControlFlow/SCFToControlFlow.cpp"],