add defconfig for n880e

Change-Id: Ibd8840f41bd6ce092b127199488957fd701a7bb8
ignore warnings to build using gcc 4.7

Change-Id: Ife33580af930e58e1326883147230c65848eea84
fix camera orientation

Change-Id: I0df1c99eb568858d8c97863d3790a33825705a35