Error PRL170: The input macros to NGMUX instance
<instance name> are placed in the NON-PLL CCC location. NGMUX input
macros can be placed only in the CCC with the PLL..
NGMUX drivers CLK0 and CLK1 (hardwired) cannot be placed
in non-PLL CCC.
Action
Place the global instance driving the NGMUX in the
CCC that has the PLL.