video: tegra: host: Query vi/isp max clk-rate

video: tegra: host: Query vi/isp max clk-rate

Query max vi/isp clk-rate runtime to calcuate max BW.
Remove max-bw defines.

Bug 1538490
Bug 1695435

Change-Id: I86a5c22fa3c7c9582351bbe9a95776aaea6a613d
Signed-off-by: Sudhir Vyas <svyas@nvidia.com>
Reviewed-on: http://git-master/r/461278
(cherry picked from commit bbcd86c917430ceea1603e03964296ca4e26ac3a)
Reviewed-on: http://git-master/r/825139
Reviewed-by: Automatic_Commit_Validation_User
GVS: Gerrit_Virtual_Submit
Reviewed-by: Jihoon Bang <jbang@nvidia.com>
Tested-by: Frank Shi <fshi@nvidia.com>
Reviewed-by: Matthew Pedro <mapedro@nvidia.com>