bln: allow separate configuration of blink on and off delays

also minor optimisation of bln_blink_mode check

devicesettings: need the appropriate modifications
Change-Id: I9930a42907ab3ef90a85dd065193f5b696b7c061
dt2w: decrease press timeout by 1/2
500ms timeout is pretty long, decrease to near instantaneous humane taps

devicesettings: need the appropriate modifications
Change-Id: I1920d8d7951c1353b1252e6ce90e3bca3bbac186
cpufreq: Add cpu utilization statistics to aid decisions made by userspace.

Understanding system load as seen by cpufreq can help userspace
algorithms make better decisions to improve system responsiveness.
One such example would be the MP decision algorithm which mines
various system info to make decisions on hotplugging in/out
the additional cores.

Change-Id: I277db7e1a7803a3822b61e7befa25131487cfe17
Signed-off-by: Anitha Anand <anithas@codeaurora.org>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>

adapt for interactive governor