tegra_mpdecision: stats: if cpu is online, add current ontime to stats

Signed-off-by: Dennis Rassmann <showp1984@gmail.com>
[PATCH]: Kexec-hardboot

Signed-off-by: Dennis Rassmann <showp1984@gmail.com>
defconfig: update & 0.591 (multirom support)

Signed-off-by: Dennis Rassmann <showp1984@gmail.com>