doc: Add forward reference from 'idle' description to idle entry steps.
authorKeith Packard <keithp@keithp.com>
Tue, 12 Sep 2017 20:38:36 +0000 (13:38 -0700)
committerKeith Packard <keithp@keithp.com>
Tue, 12 Sep 2017 20:38:36 +0000 (13:38 -0700)
commit8284ba8bf78aade8f9d8f711cfefe2010ce81066
tree713a9b7f48f8c6b95d2cf33a54815d3d93d3cae5
parent8960cb525ef43c2262c7854b9a6f08237b3ea05b
doc: Add forward reference from 'idle' description to idle entry steps.

This provides a reminder that entering idle mode takes specific steps
which differ between models.

Signed-off-by: Keith Packard <keithp@keithp.com>
doc/usage.inc