defconfig: Add initial defconfig fragments for Holi

Add initial defconfig fragments, such as holi_GKI.config,
holi_QGKI.config, and holi_debug.config, for the holi platform.

Change-Id: Ic27f7f2bb3e0d964c8ad259261c04eb620e3e327
Signed-off-by: Gaurav Kohli <gkohli@codeaurora.org>
Signed-off-by: Yogesh Lal <ylal@codeaurora.org>