Monster/WR external 10MHz input clock is unconnected

[alyxazon]

...and does not even synthesize (when connected).

./syn/gsi_microtca/control/microtca_control.sta.rpt:    Info (332119):     Slack       End Point TNS Clock 
./syn/gsi_microtca/control/microtca_control.sta.rpt:    Info (332119): ========= =================== =====================
./syn/gsi_microtca/control/microtca_control.sta.rpt:    Info (332119):    -2.224             -98.226 clk_125m_pllref_i 

[dietrichb]

fixing this requires a major effort ...
... hower: nobody presently requires this -> postponed