mlir-nvidia: added -DBUILD_SHARED_LIBS=ON

Differential Revision: https://reviews.llvm.org/D92555
diff --git a/buildbot/osuosl/master/config/builders.py b/buildbot/osuosl/master/config/builders.py
index 1142baf..d995925 100644
--- a/buildbot/osuosl/master/config/builders.py
+++ b/buildbot/osuosl/master/config/builders.py
@@ -1089,6 +1089,8 @@
                         '-DMLIR_CUDA_RUNNER_ENABLED=1',
                         '-DCMAKE_CUDA_COMPILER=/usr/local/cuda/bin/nvcc',
                         '-DMLIR_VULKAN_RUNNER_ENABLED=1',
+                        '-DBUILD_SHARED_LIBS=ON',
+                        '-DLLVM_CCACHE_BUILD=ON',
                     ],
                     env={
                         'CC':'clang',