Merge pull request #134 from shruti-ramesh/new-amp-functions

New amp functions
Added AMP constant and counting iterators
fixed merge EPR 391725
Reverted the Optimization changes done to openCL reduce kernel
Merge branch 'develop' of https://github.com/HSA-Libraries/Bolt into new-amp-functions
A few minor modifications to soem AMP functions & also fixed documentation issue reported in EPR-391719