fix pll5x rate calculation
update the example to use dty00 instead of ttyd0 to reflect a current practice
Remove the syslogging of a dial out login warning based on the tty name, because
the test is sloppy and doesn't correspond to the current naming anyway.
OK gdt@
PR#377 can remain closed.
On 2GB systems, we have to subtract AWIN_SDRAM_PBASE from the physical address.