PWM test program used for HF LO

git-svn-id: https://svn.code.sf.net/p/freetel/code/codec2-dev@1616 01035d8c-6547-0410-b346-abe4f91aad63
Created and ran power UT to estimate current consumption of smartmic uC, only 60mA

git-svn-id: https://svn.code.sf.net/p/freetel/code/codec2-dev@1617 01035d8c-6547-0410-b346-abe4f91aad63