exynos5: Import Exynos5 HAL from insignal

* Import at commit ID: 97733304f7d7704a6d73b25dc051f07fafb2ac1e
  libhwcmodule: Fix to set USE_NORMAL_DMA via BoardConfig

Change-Id: I4739e583925ce41bdad5d1bc1df5250792453b64
exynos5: add makefiles for exynos5410

* Exynos5410 makefile includes newly added insignal exynos5 HAL

Change-Id: I5686606bc157815dcc22dd0783cfb4ca1a78837c
exynos5: update exynos5 include paths

Change-Id: Ida0cd7a44aee9cafe4df28b175e99290ee6d6576
Remove unnecessary dependency on keystore_client

Change-Id: I801740653a6a13cb85d85204e2c8fa1b5ea2f879
(cherry picked from commit 60b72f63f6d36cfc87319bd720a4467fece6a548)
exynos5: openmax: avoid duplicate definition

Change-Id: I91023cd0bf9cd84d5105e5c077b57407f6008f00
exynos5: openmax: properly ifdef priv_hnd usage

Change-Id: Iec9c13893c7feae9563443afdf424f44787b2baf
exynos5: csc: use native OMX header if needed

Change-Id: I737e5b9eb15a252d51240beec9c48b14d9c28211