Fix MLIR_DIR path in README.md (#11)

* Fix MLIR_DIR path in README.md

* Fix a typo in CONTRIBUTING.md

Author: jhalakpatel

mlir-tensorrt/README.md

@@ -61,7 +61,7 @@ cmake -B ./build/mlir-tensorrt -S . -G Ninja \
     -DCMAKE_C_COMPILER=clang -DCMAKE_CXX_COMPILER=clang++ \
     -DMLIR_TRT_USE_LINKER=lld \
     -DMLIR_TRT_PACKAGE_CACHE_DIR=${PWD}/.cache.cpm \
-    -DMLIR_DIR=build/llvm-project/lib/cmake/mlir \
+    -DMLIR_DIR=build/llvm/lib/cmake/mlir \
     -DCMAKE_PLATFORM_NO_VERSIONED_SONAME=ON
 ninja -C build/mlir-tensorrt all
 ninja -C build/mlir-tensorrt check-mlir-executor

tripy/CONTRIBUTING.md

@@ -66,7 +66,7 @@ To sign off on a commit you simply use the --signoff (or -s) option when committ
 git commit -m "<commit message>" -s
 ```
 
-Please make sure any contributions you make satisfy the developer ceritifcate of origin:
+Please make sure any contributions you make satisfy the developer certificate of origin:
 
 > Developer Certificate of Origin
 >	Version 1.1