Upgrade mlir version

requirements.txt

@@ -4,4 +4,4 @@ blaze,https://bitbucket.org/blaze-lib/blaze/get/f0755dea0e03.tar.gz -X header -D
 half,https://github.com/pfultz2/half/archive/1.12.0.tar.gz -X header -H sha256:0a08660b68abb176ebc2a0cdf8de46e3182a7f46c66443bb80dbfaaec98cf969
 pybind/pybind11@d159a563383d10c821ba7b2a71905d1207db6de4 --build
 msgpack/msgpack-c@cpp-3.3.0 -DMSGPACK_BUILD_TESTS=Off
-# ROCmSoftwarePlatform/llvm-project-mlir@59905bc4e56b4d54dd416f00ecf08d1923bfb4e1 -DBUILD_MIXR_TARGET=On
+# ROCmSoftwarePlatform/llvm-project-mlir@fbc21c8286d9681e26cf1fe181749746a46f3f7d -DBUILD_MIXR_TARGET=On