Rename the current timings to indicate they're for 166 MHz. Based on
patches by Eduardo Valentin and Juha Keski-Saari.
Signed-off-by: NAaro Koskinen <aaro.koskinen@nokia.com>
Cc: Eduardo Valentin <eduardo.valentin@nokia.com>
Signed-off-by: NTony Lindgren <tony@atomide.com>