i9300: use opensource camera hal, remove camera blob

Change-Id: Ib9e43b7e62968b2e6033611a219df55446922c94
i9300: add opensource sensors hal

Change-Id: Ia104c31f165fcaca1ee5dc471f7d71ca9abd387f
i9300: libsensors: fix compass orientation

Change-Id: I35255735cc895047d7594bdb595db052a8a086ac