[Script] Modify T5 accuracy check manner and merge four patch files to one patch (#386)

Author: yisonzhu

example/t5/install_xpu.sh

@@ -3,10 +3,7 @@
 pushd ./t5x
 
 git checkout 6699ad54480a0691c491fa2aa28d8b46daf1a377
-git apply ../patch/not_exit_before_max_step.patch
-git apply ../patch/version_time_dlpath.patch
-git apply ../patch/adjust_flax.patch
-git apply ../patch/adjust_jax.patch
+git apply ../patch/t5.patch
 
 ln -s /usr/local/bin/pip /usr/bin/pip
 pip uninstall tensorflow-metadata numba cudf -y