msm7x30: Disable TARGET_CPU_SMP

* We have a single core SOC

Change-Id: I6b284cddc346a14ecc464794fda03a8ce105f2b7
config: Move google codecs inclusion after qcom codecs

* So that a qcom codec is preferred first.
msm7x30: Use dlmalloc instead of jemalloc

Change-Id: I2dea0f4e1661189f90acfa15fec1e030dbe135f5