Kernel Settings BLN: Add option to override blink intervals

This requires a kernel side update to the BLN module. If you want this mod to work with your kernel, you can cherry pick my commit from here:
https://github.com/EmmanuelU/wild_kernel_samsung_msm8660/commit/7f8a545dff6ae90aed97de42d16fc8c3f7fba791