Enable BF16 Types for DLM Models in Examples #22658

Job	Run time
cancel	3s
pyflakes	3m 22s
Check if image exists in registry	5s
linux (ubuntu-20.04, debug)	50m 53s
linux-fpga (ubuntu-20.04, debug)	49m 39s
linux (ubuntu-20.04, release)	4m 53s
linux (ubuntu-20.04, codecov)	9m 3s
licensing	4m 30s
misspell	16s
Build image	0s
Build SLES image	0s
format	5m 7s
cppcheck	1h 3m 53s
tidy	5m 26s
sles	3m 6s
	3h 20m 16s

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