Code for nutnr_b (non-dcl) and fixes for nutnr_b_dcl
Applied fixed from code review
Optimization changes from code review.

Change-Id: Iaf5f85402b974cb52c2fbc36383207622e0392d6
Merge "Code for nutnr_b (non-dcl) and fixes for nutnr_b_dcl"
Completed driver testing
Complete CUT, writing drivers
incorporated review comments

Change-Id: Ieef359e39b394e0fad44153c06e2688363870657
Merge "Applied fixed from code review"
Merge "Optimization changes from code review."