generator_hdl.py crash in TC.

[tomalin]

The command "./generator_hdl.py --uut FT_L1L2 -u 4 -d 0 -x" crashes with error:

File "/net/home/ppd/tomalin/UK_TrackTrig/wiring_python_andrew/project_generation_scripts/WriteHDLUtils.py", line 448, in writeTemplatePars_TC
assert(innerphilabel in PhiLabelASInner)

[meisonlikesicecream]

Following command crashes with the same error:
python3 generator_hdl.py --uut TC_L2L3C -u 0 -d 0