defconfig: msm8960: sync up perf defconfig

Sync up msm8960-perf_defconfig with msm8960_defconfig by adding changes
missed in the orignal commit 69d82735 and the 8064 machine type commit
82b7e3fa.

Change-Id: I3dfdce0f0fb5e57ddd078b653b7eb8ec3fd5e980
Signed-off-by: Jin Hong <jinh@codeaurora.org>