ARM: EXYNOS: Constify exynos_pm_data array
ARM: EXYNOS: Constify exynos_pm_data array

The 'exynos5420_pm_data' is not modified and can be made const.

Signed-off-by: Krzysztof Kozlowski <1a8531307367602b8284517edb33d53d54e5ce8e@samsung.com>
Reviewed-by: Pankaj Dubey <dbd64b4eb34fd9d2e5efbeef9cb6d7571f2fe5db@samsung.com>
Signed-off-by: Kukjin Kim <025cfe326dd94d6c85bc39050c0efed47f247d2a@kernel.org>

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