drivers/staging: msm8610: Reduce android log buffer sizes

Savings of 768KB in the total kernel static size
which translates to an increase in the android userspace memory
Useful for memory constrained devices like msm8610, msm8226

Change-Id: I3766a6db0acb2247ea202c2c416b32643587ca21
Signed-off-by: Bhargav Upperla <bhargavuln@codeaurora.org>