[CK_TILE] FMHA Ignore BWD Failed Cases in Smoke Test (#3480)

Author: DDEle

example/ck_tile/01_fmha/script/fmha_bwd_known_fails_gfx1201.txt

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+tile_example_fmha_bwd -b=1 -h=4 -h_k=1 -s=500 -s_k=251 -mask=1 -prec=bf16 -d=96 -bias=a -dbias=0 -p_drop=0.2 -iperm=1 -operm=1 -deterministic=0 -v=1 -mode=1 -kname=1 -v=1

example/ck_tile/01_fmha/script/fmha_bwd_known_fails_gfx90a.txt

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+tile_example_fmha_bwd -b=1 -h=4 -h_k=1 -s=500 -s_k=251 -mask=1 -prec=bf16 -d=96 -bias=a -dbias=0 -p_drop=0.2 -iperm=1 -operm=1 -deterministic=0 -v=1 -mode=1 -kname=1 -v=1

example/ck_tile/01_fmha/script/fmha_bwd_known_fails_gfx942.txt

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+tile_example_fmha_bwd -b=1 -h=4 -h_k=1 -s=500 -s_k=251 -mask=1 -prec=bf16 -d=96 -bias=a -dbias=0 -p_drop=0.2 -iperm=1 -operm=1 -deterministic=0 -v=1 -mode=1 -kname=1 -v=1

example/ck_tile/01_fmha/script/fmha_bwd_known_fails_gfx950.txt

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+tile_example_fmha_bwd -b=1 -h=4 -h_k=1 -s=500 -s_k=251 -mask=1 -prec=bf16 -d=96 -bias=a -dbias=0 -p_drop=0.2 -iperm=1 -operm=1 -deterministic=0 -v=1 -mode=1 -kname=1 -v=1