ARM: EXYNOS: add exynos_set_boot_addr() helper
ARM: EXYNOS: add exynos_set_boot_addr() helper

Add exynos_set_boot_addr() helper and covert existing code
(exynos_boot_secondary() and exynos_smp_prepare_cpus()) to
use it.

There should be no functional changes caused by this patch.

Signed-off-by: Bartlomiej Zolnierkiewicz <24970bf3d8506c473367e9292a8e5eb43a40bda0@samsung.com>
Cc: Daniel Lezcano <e9fa45941f2ebe89c1b9d6c5f339ab42eadb8567@linaro.org>
Signed-off-by: Krzysztof Kozlowski <1a8531307367602b8284517edb33d53d54e5ce8e@samsung.com>
Signed-off-by: Kukjin Kim <025cfe326dd94d6c85bc39050c0efed47f247d2a@kernel.org>

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