* add fmha_flashattention oss plugin

* add fmhca

* add oss fmhca

* code reconstruct and add ut

* code style refine

* fix ut and enforce check

* refine trt version check

refine compile

fix compile

* fix cross ut

* code refine

* use runtime trt version check

* bug fix and code refine

* compile fix

* merge develop

* add GN QDQ kernel

* support GN int8 fake kernel

* add with_int8

* add GN int8 fake kernel

* add GN int8 fake kernel

* add GN int8 fake kernel

* add GN int8 fake kernel

* add GN int8 fake kernel

* add GN int8 fake kernel

* add GN int8 fake kernel

* add GN int8  UT

* add verison > 8000  in GN int8  UT

* add some check in .cu

* add stdlib.h in UT

* little change  in .cu

* remove rand_r use rand

* remove use rand

* setAxis(1)

* when int8 is on allow fall back to fp16

---------
Co-authored-by: Nwwbitejotunn <wang_bojun@outlook.com>