d2: : update wifi config

Change-Id: I4d99c1de957471e2bde18cea2bfca12d833cdd79
d2: remove gsm/cdma overlay dirs

Change-Id: Ic8ce8a1a33b9f3690b787e1db7e1ccce86ee2675
d2: disable a couple overlays to build for now

Change-Id: Ibeff00ee6f39c9095ba02c6e4e5b9ce6f2d75872
Fix mounting sdcard1 for 4.4

Change-Id: Ie7f063f6447a70a52acd547aac8bb3b97281c2e3
Enable NEEDS_VECTORIMPL_SYMBOLS which is needed for the blobs.

Change-Id: I80405f239a9d372d19c46b3d6cd66544504bc9ce