X# especially if it merges an updated upstream into a topic branch.

     fix build_fpga.sh

test=develop

[LITE][PASS] Fix static kernel pick pass, if op is not int8, but kernel is int8. test=develop (#2526)

test=develop

* [NPU] add reduce_mean op bridge and unit test

test=develop

* refine xpu_pass place order; add bridges use

test=develop

remove opencl place in benchmark

test=develop

* add winograd c4 implement (#2494)
test=develop
fix: fix conv_block prepack_input_nxwc4 bug
* fix: optimize sgemm_c4 in armv7
     change condition of choose winograd kernel
* fix: change conv choose kernel condition
test=develop

add elementwise_sub, mul, div op bridge

test=develop

fix bugs of concat, reshape and slice op and add usleep in fpga regpoll, test=develop，  close #2501 (#2502)

* update proposal and psroipool kernel file in FPGA V2 track

* update, test=develop

* update FPGA v2 pe cpp file and ew kernel files, test=develop

* fix a bug of sigmoid kernel in FPGA v2 track, test=develop

* fix bugs of concat, reshape and slice op and add usleep in fpga regpoll, test=develop

* add interupt clear operation before op compute in FPGA V2 track, test=develop

* fill_constant can support shape is tensor or tensorlist

fix: fix conv_block prepack_input_nxwc4 bug
* fix: optimize sgemm_c4 in armv7
     change condition of choose winograd kernel
* fix: change conv choose kernel condition

test=develop

* [XPU] update conv padding

test=develop

* [XPU] exclude xpu for passes

test=develop

* fix conv padding compute

test=develop

* [NPU] update 2-pad to 4-pad for conv and conv_transpose

test=develop

* reuse UpdatePadding code

test=develop

* add gather op on x86 platform and add its unittests, test=develop

 fix ccompute shape error in ooperators/conv_op.h, test=develop

fix errors for conv and conv_transpose
test=develop

* unfinish sgemmc4

* finish armv8 sgemmc4

* arm add sgemmc4 with deal with remain

* [ARM] add sgemmc4 small kernel, test=develop

* [ARM] sgemmc4 small improve armv7 speed by add 4x8 block, test=develop