build: Add QCOM target-specific config

 * Needed to support global DirectTract config on legacy targets
 * Let's also eliminate some boilerplate

Change-Id: I736c10a5e7e1f3d1e0de9e60f29b60add276f151

Conflicts:
	core/config.mk

Change-Id: I045669c262c8653e3bad53d60bf73cf7b4b70069
boot_flash_from_image: Strip kernel modules

Change-Id: I36168705cc71d10e1d9a4613207660d5bbf167b8
Merge "boot_flash_from_image: Strip kernel modules" into kk4.4
Merge remote-tracking branch 'slim/kk4.4' into ose