video: tegra: dc: Remove the delay while reading out crc checksum for sim

Change-Id: If6193bb74299f809f60e3edaddafd7e181b3719d
Signed-off-by: Chao Xu <cxu@nvidia.com>
Reviewed-on: http://git-master/r/93026
Reviewed-by: Varun Colbert <vcolbert@nvidia.com>
Tested-by: Varun Colbert <vcolbert@nvidia.com>