holiday_defconfig: Enable all the required configs for ION

Change-Id: I32db277e72574682068d6bdcaa467e6b0f49a217
holiday_defconfig: disable DEFBUG_FS among other things to fix compile.

Copied from shooter_defconfig

Change-Id: I88111230813a1dbcaf43f6913317a3be20e20e13

Conflicts:
	arch/arm/configs/holiday_defconfig
holiday_defconfig: merge a few more settings from shooter for testing

Change-Id: I9aa5ead71070e3cfe5301839705866a98f9bf2ba

Conflicts:
	arch/arm/configs/holiday_defconfig
ruby: cleanup memory maps