msm: acpuclock-8064: Lower max L2 speed to 1134MHz

There are some testing showing that L2 at 1188MHz may cause
some stability issue. Therefore, lower the max speed to 1134MHz
unitl the root cause is found.

Change-Id: Ie38b96958d07d7a09ac8ef4eb1793970b5563776
Signed-off-by: Tianyi Gou <tgou@codeaurora.org>
Signed-off-by: Stratos Karafotis <stratosk@semaphore.gr>
0.5.5