NXP backend - added support for `aten.conv2d` using the new Neutron flow #9039

Job	Run time
test-arm / test-backend-linux (arm_vgf_fp, operators) / linux-job	23m 21s
test-arm / test-backend-linux (arm_tosa_fp, operators) / linux-job	18m 10s
test-arm / test-backend-linux (arm_tosa_fp, models) / linux-job	16m 54s
test-arm / test-backend-linux (arm_vgf_fp, models) / linux-job	17m 58s
test-arm / test-backend-macos	-9s
test-arm / package-golden-artifacts	43s
	1h 16m 57s

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