Compilation issue fix

 Defined INSTALLED_KERNEL_TARGET

Change-Id: I7a1702dfcaac32caff94a7cd1929483c005fc15e
Signed-off-by: Samjith Sadasivan <samjit@codeaurora.org>
Add defconfig for caf builds
Updates from @dhacker29 for msm8960 kernel

Merge branch 'L' of https://github.com/dhacker29/android_kernel_motorola_msm8960dt-common into HEAD