mach-msm: subsystem_restart: Fix CPU detection

Initialization function could not detect the correct CPU type
(apq8064). Therefore it could not register correctly subsystem
restart order for the panic_handler.

Signed-off-by: Stratos Karafotis <stratosk@semaphore.gr>
msm: video: increase MM heap size for smoothstreaming

Change-Id: I31981af2190d8d316d2e607c6cd3a47a1184745e
int_sqrt.c: Correction square root algo with naming

Conflicts:
	lib/int_sqrt.c
string: Remove memchr export
int_sqrt: Improve 3x faster integer sqrt.

Result on 10,000,000 call.
Old:
sqrt(12345689) = 3513
real	0m0.768s
user	0m0.760s
sys	0m0.004s

New:
sqrt(12345689) = 3513
real	0m0.222s
user	0m0.224s
sys	0m0.000s