These functions provide access to the high resolution microsecond timer
and tidy up a global variable in the code.
Signed-off-by: Simon Glass <sjg@chromium.org>
In some circumstances, reset_timer_masked() was called be timer_init() in
order to perform architecture specific timer initialisation. In such
cases, the required code in reset_timer_masked() has been moved into
timer_init()
Simon Glass
Graeme Russ
Tom Warren