[U-Boot-Users] 859/866 clock issues

two minor things on the 859/866

1) measure_gclk() is very inaccurate. Better to use the plprcr and CFG_8XX_XIN (which MUST BE 10MHz for that cpu) to derive the "real" bus clock.

2) the 859/866 does NOT support external speeds higher than 66MHz, so if cpu_clk is greater, EBDF01 MUST BE USED IN CFG_SCCR

I have a patch for 1, but i no longer have my 859/866 eval board

I have no patch for 2, but eventually we should come up with some sort of solution; the 859/866 is almost always configured to run faster than 66MHz.