msm: watchdog: increase pet time to ten seconds

Petting the watchdog every three seconds has impacts on power
consumption. Increase this to ten seconds, and increase the bark and
bite times for the simulator and otherwise accordingly.

Change-Id: Icb637634d323636f957000717916c9157d683ffb
Signed-off-by: Jeff Ohlstein <johlstei@codeaurora.org>