smdk4412-common: insert specific sepolicy conf and override a default rule

This fixes sepolicy rules errors. (This is meant to be a workaround)

Change-Id: I7aa88ea0c5ee3a28a2924896681317525ef36afd
smdk4412-common: update media codecs

Signed-off-by: Humberto Borba <humberos@gmail.com>
Change-Id: I9d47bfebe118ea45505598f77f190e0c9bff11d1

Conflicts:
	configs/media_codecs.xml
smdk4412-common: fix wifi for smdk412 devices

Cherry picked from cm12 without changes

All credits to the creators of the followinf commits

EXPERIMENTAL: Let's try to fix Wi-Fi

Conflicts:
	common.mk

Change-Id: I560d90b73a7e6a314eb608dcf59456d5889921ce

smdk4412: match init.smdk4x12.rc for cm-12.0

p2p_supplicant and wpa_supplicant somehow does not takes
-O argument as of Android 5.0 Lollipop.

And new 'dhcpcd_eth0', 'iprenew_eth0' entries has been added.

Signed-off-by: arter97 <qkrwngud825@gmail.com>

Change-Id: I747572c9e171075c62f248bc7c85e1cec4ae416d

Conflicts:
	common.mk
	rootdir/init.smdk4x12.rc