Strips: NANOAOD trees for calibration

[sroychow]

Follow up on the work previously done by Pieter David. Revive the possibility of having a NANOAOD calib trees for Strips.

[1] cms-sw/cmssw@master...pieterdavid:cmssw:try_nano_calibtrees_3_1130pre6

[mmusich]

some interlocutory steps are taken in cms-sw/cmssw#43680.