msm: pil-q6v5-mss: Skip Q6 shutdown sequence when restarting MSS

Execution of the Q6 shutdown sequence is not necessary since the
whole subsystem is reset as part of pil_mss_shutdown() anyway.
Furthermore, access to the Q6 registers required by
pil_q6v5_shutdown() may be blocked after MSS boot (depending on
security configurations) making such access fail.

Fix this by removing the unnecessary call to pil_q6v5_shutdown(),
and the associated clock and power-rail setup required to make
that call.

Signed-off-by: Matt Wagantall <mattw@codeaurora.org>
(cherry picked from commit 5b748589fd37ef3765ec250ca400bf2e77b4d71f)

Change-Id: Id1426b021e532a388423412dbeb50b02c8bf8a51
Signed-off-by: Sunil Joseph <jsunil@codeaurora.org>
msm: pil-q6v5-mss: Increase timeout for PBL and MBA boot to 1 second

When secure boot features are enabled, the MBA may need more than
100 ms before it is ready to accept commands. Increase the default
timeout to be arbitrarily large.

Signed-off-by: Matt Wagantall <mattw@codeaurora.org>
(cherry picked from commit ee4335923cf6222992714de8780b7d837573f77d)

Change-Id: I67f0e81f7b69038a7c25a9e0f95163b801ee9e26
Signed-off-by: Sunil Joseph <jsunil@codeaurora.org>
Merge "msm: pil-q6v5-mss: Skip Q6 shutdown sequence when restarting MSS"
Merge "msm: pil-q6v5-mss: Increase timeout for PBL and MBA boot to 1 second"