msm: pm-8x60: Increase warn timeout for sleep sts check

Arm cores take longer time to enter sleep. Wait for longer
time before warning until the CPU goes to sleep state.

Signed-off-by: Priyanka Mathur <pmathur@codeaurora.org>
Signed-off-by: Pranav Vashi <neobuddy89@gmail.com>
Signed-off-by: engstk <eng.stk@sapo.pt>
makefile: refresh default toolchain linaro 2014.10 gcc 4.9.2

Signed-off-by: engstk <eng.stk@sapo.pt>