Add sprint_ticks() function and use in CBQ

[IPROUTE]: Add sprint_ticks() function and use in CBQ

Add helper function to print ticks to avoid assumptions about clock
resolution in CBQ.

Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: Stephen Hemminger <shemminger@linux-foundation.org>
4 files changed