build: Set QCOM global cflags for secondary arch

Change-Id: I637d94f9b0ddee2c8d6057de44355e482163dd36
Merge branch 'cm-12.0' of https://github.com/CyanogenMod/android_build into cm-12.0

Merge branch 'cm-12.0' of https://github.com/CyanogenMod/android_build into cm-12.0