[Hardware][Intel CPU] Adding intel openmp tunings in Docker file

[zhouyuan]

This patch adds more tunings for CPU backend on intel openmp.
These tunings improves CPU backend performance greatly, especially on throughput related tests.
This patch also updates the CPU docker file to run the serving endpoint as entry point by default

FIX #xxxx (link existing issues this PR will resolve)

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[WoosukKwon]

LGTM! Thanks for the PR!

[WoosukKwon]

Please double-check whether the env variables are correctly used by the libraries. In my personal experience, some env variables have to be set before the libraries are loaded.