exynos5-insignal: Update from ODROID-XU 04212014 BSP

Change-Id: I606e4a7879522bff795db4e724db23d05dd1db27
libcodec: ifdef for DUALDPB_MODE

Change-Id: I41e0a01b2b861c1004f179a1f17e9b1c8269df44
libcodec: ifdef for USE_VP8ENC_SUPPORT

Change-Id: If8eae8a04fe8054e3ccf48c36e0a2e21e720b088