Enable GEMM/dot for FP8 using hipblasLT #21583

Job	Run time
Check if image exists in registry	5s
cancel	9s
licensing	3m 0s
pyflakes	4m 29s
linux (ubuntu-20.04, debug)	2h 26m 45s
linux-fpga (ubuntu-20.04, debug)	2h 29m 56s
linux (ubuntu-20.04, release)	1h 47m 25s
linux (ubuntu-20.04, codecov)	1h 48m 47s
Build image	0s
Build SLES image	0s
tidy	1h 27m 32s
format	4m 58s
cppcheck	59m 14s
sles	5m 19s
	11h 17m 39s

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