msm: kgsl: Idle timeout should be reported in msec
msm: kgsl: Idle timeout should be reported in msec

Remove the restrictions on the low end of the idle timeout.
Accept the idle timeout in msec and also display it in msec.

Change-Id: I8ca4cd7ade503ed24424e4e429243e921eb6fb0f
Signed-off-by: Lucille Sylvester <f716b4e7fb105b3b5ce1d7f1d4213769d3b27187@codeaurora.org>

TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas