[packages,C] Improved error message when a tool is not found in the requested toolchain at the requested bitdepth
[packages,C] Improved error message when a tool is not found in the requested toolchain at the requested bitdepth

markfinal/BuildAMation,markfinal/BuildAMation,markfinal/BuildAMation,markfinal/BuildAMation,markfinal/BuildAMation