build.config.msm.lahaina: Add qgki-consolidate as a supported variant

Add support for building using the lahaina-qgki-consolidate_defconfig
which consists of the QGKI + consolidate fragments.

Change-Id: Ie6bf7e564560a808a67f2c65bcb63e099f43e4f4
Signed-off-by: Jack Pham <jackp@codeaurora.org>