platform: tegra: nvadsp: Add mailbox and Agic dump

platform: tegra: nvadsp: Add mailbox and Agic dump

Adding additional dumps of SEND/RECV mailbox and pending/active states
of agic interrupts along with adsp logs, when adsp fails.

Bug 200149702

Change-Id: I7a33898408e1087c11baa42b090aafa65d113e79
Signed-off-by: Ajay Nandakumar <anandakumarm@nvidia.com>
Reviewed-on: http://git-master/r/1017566
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: Nitin Kumbhar <nkumbhar@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Bharat Nihalani <bnihalani@nvidia.com>