Mako: use mako_defconfig for matr1x

Change-Id: I98e7a33f675636de5dfee04e119a2f2900f98dc9
mako: flo and mako don't use the same kernel, so change path to kernel/lge/mako

Change-Id: Ifa3ca8510ff4ff70f6b63513fd92769e9c9f0854