hwc: update api version to v1.

Changes adapted from OMAP4XXX HWC
overlay: get rid of un-necessary overlay configs
latona: egl configs from crespo

Slightly improve egl performance
latona: use egl configs from omap4
Merge branch 'cm-10.1' of git://github.com/dhiru1602/android_device_samsung_galaxysl into cm-10.1

Signed-off-by: David Rodero <david@codiguiel.net>

Conflicts:
	overlay/frameworks/base/core/res/res/values/config.xml