ARM: dts: add secure firmware support for exynos5420-arndale-octa
ARM: dts: add secure firmware support for exynos5420-arndale-octa

Arndale-Octa board is always configured to work with trustzone
firmware binary. Added DTS node entry to enable this support.

Signed-off-by: Tushar Behera <23164e61763db67ca52e6268847d2536aec6eaa9@linaro.org>
Signed-off-by: Kukjin Kim <3fc711f4e08bc570a586748633ff7c76d0e1e253@samsung.com>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs