Sleep: error flags fix#9277

Merged

cmonr merged 3 commits intoARMmbed:masterfrom

deepikabhavnani:flags_fixes

Feb 20, 2019

Commits on Jan 15, 2019

Add missing ARMC6 flags - MBED_DEBUG and MBED_TRAP_ERRORS_ENABLED
deepikabhavnani
committed

Commits on Jan 22, 2019

Add flag "-DMBED_TRAP_ERRORS_ENABLED=1" to develop profile as well
deepikabhavnani
committed
Add NDEBUG flag to release profile of ARMC6
deepikabhavnani
committed