timer: hpet: allow overriding MIN_DELAY

This renames MIN_DELAY to HPET_CMP_MIN_DELAY, and also allows it
to be overridden. The default delay is for HPET with relative
high frequency, and may not suitable for all HPET
implementations.

Signed-off-by: Daniel Leung <daniel.leung@intel.com>
1 file changed