media: video: nvavp: Add bsea/vcp clocks for Audio

1) Enable bsea/vcp clocks for Audio support by ioctl
2) Send kernel event NVE276_OS_INTERRUPT_APP_NOTIFY
to user space
3) Suspend Resume support

bug 964514

Change-Id: I72fb790baa093b4bcd99a128c886dc049fa0fbb6
Signed-off-by: Vandana Salve <vsalve@nvidia.com>
Reviewed-on: http://git-master/r/108493
cherry picked from commit 4432c5fa5e9072ff019d994f3bc8239bd34ddad1
Reviewed-on: http://git-master/r/114589
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: Bharat Nihalani <bnihalani@nvidia.com>