media: video: tegra: max flash/torch current

media: video: tegra: max flash/torch current

the peak flash/torch current can be set from the board file.
devices: as364x, lm3565, max77387, max77665.

bug 1322024

Change-Id: I3121e39e07c1ff9a7e7dc76ff76f41df84868983
Signed-off-by: Charlie Huang <chahuang@nvidia.com>
Reviewed-on: http://git-master/r/246319
(cherry picked from commit d2520eb46fea2885271aabda1ecb0ff547042b82)
Reviewed-on: http://git-master/r/250874
Reviewed-by: Riham Haidar <rhaidar@nvidia.com>
Tested-by: Riham Haidar <rhaidar@nvidia.com>