Pull clockevent updates from Daniel Lezcano:

 - Some cleanups for the timer-of, use %p0F and the unique device name
   (Geert Uytterhoeven)

 - Use timer-of for the renesas-ostm and the device name to prevent
   name collision in case of multiple timers (Geert Uytterhoeven)

 - Check if there is an error after calling of_clk_get in asm9260
   (Chuhong Yuan)