msm_mpdecision: fix get_slowest_cpu()

Signed-off-by: Dennis Rassmann <showp1984@gmail.com>
msm_mpdecision: make debug output more compact & informative

Signed-off-by: Dennis Rassmann <showp1984@gmail.com>
msm_mpdecision: decrease startup delay

Signed-off-by: Dennis Rassmann <showp1984@gmail.com>
msm_mpdecision: decrease decision delay

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