ARM: dts: msm: Update video node with correct values for sdm845

Update video node with correct/missing clock names, bus names,
context banks and other state variables.

CRs-Fixed: 2022722
Change-Id: I8a4d007c4534a21139e8033d8bc1d569f788e4b1
Signed-off-by: Praneeth Paladugu <ppaladug@codeaurora.org>