Parser changes to handle MatMulIntegerToFloat #21231

Job	Run time
pyflakes	5m 4s
Check if image exists in registry	5s
cancel	4s
licensing	3m 35s
linux-fpga (ubuntu-20.04, debug)	40m 54s
linux (ubuntu-20.04, debug)	43m 4s
linux (ubuntu-20.04, release)	43m 5s
linux (ubuntu-20.04, codecov)	43m 6s
Build SLES image	0s
Build image	0s
tidy	42m 45s
format	4m 42s
cppcheck	40m 35s
sles	34m 43s
	5h 1m 42s

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