arm: tegra: hawkeye: increase disable delays

arm: tegra: hawkeye: increase disable delays

The current delays during disable aren't sufficient
on some boards. Increase these delays slightly.
The panel spec doesn't have a max value for the delays
increased in this change.

Bug 200116779

Change-Id: Id1dd5ad2e94fd11e6fc68c5de6ec3fe5571cf218
Signed-off-by: Daniel Solomon <daniels@nvidia.com>
Reviewed-on: http://git-master/r/759960
(cherry picked from commit 9ea8e08721b7a8a2a89d134bfc299be55e38ef79)
Reviewed-on: http://git-master/r/771175
GVS: Gerrit_Virtual_Submit
Reviewed-by: Jon Mayo <jmayo@nvidia.com>