hpc: TD-T2 — AMX TDPBUSD tile kernel + matmul_i8_to_i32 wiring #407

Job	Run time
format/stable	20s
clippy/1.95.0	39s
nostd/thumbv6m-none-eabi/stable	27s
hpc-stream-parallel/rayon	1m 19s
tier4-avx512-check	27s
Pass MSRV values to other jobs	2s
native-backend/stable	7m 33s
docs/nightly	-1s
cross_test/${{ matrix.target }}/${{ matrix.rust }}	-1s
cargo-careful	-1s
miri	-1s
nightly-simd-polyfill	-1s
tests/1.95.0	11m 25s
blas-msrv	53s
tests/beta	11m 23s
tests/stable	11m 5s
conclusion	-1s
	45m 27s

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