lint

gemm: Change `alpha` parameter name to `beta` #587

Job	Run time
Check bender vendor up-to-date	10s
Check Opcodes Up-to-Date	8s
Lint C/C++ Sources	15s
Lint Editorconfig	9s
Check License headers	7s
Lint Python Sources	9s
Lint Verilog sources	1m 4s
Lint YAML Sources	5s
	2m 7s

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