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
exynos5: gralloc: attempt to guess the gralloc header

Change-Id: Id266fe955233411375cd279aa615dfcc9e2e2a3a