Enable GEMM/dot for FP8 using hipblasLT #21400

Job	Run time
Check if image exists in registry	5s
cancel	2s
licensing	5m 48s
linux (ubuntu-20.04, debug)	42m 34s
linux-fpga (ubuntu-20.04, debug)	44m 30s
linux (ubuntu-20.04, release)	44m 46s
pyflakes	6m 15s
linux (ubuntu-20.04, codecov)	44m 49s
Build image	0s
Build SLES image	0s
sles	25m 36s
tidy	44m 34s
cppcheck	41m 6s
format	4m 58s
	5h 5m 3s

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