ARM: EXYNOS: Bring exynos4-dt up to date
ARM: EXYNOS: Bring exynos4-dt up to date

This commit brings exynos4-dt in line with recent changes to
mach-exynos tree, specifically:

 - Fixes build break related to replacing plat/exynos4.h with
   common.h in commit cc511b8d84d8 ("ARM: 7257/1: EXYNOS:
   introduce arch/arm/mach-exynos/common.[ch]")

 - Converts machine to use CONFIG_MULTI_IRQ_HANDLER as done for
   other machines in commit 4e44d2cb95bd ("ARM: exynos4: convert
   to CONFIG_MULTI_IRQ_HANDLER")

 - Adds restart specifier as done for other machines in commit
   9eb4859564d6 ("ARM: 7262/1: restart: EXYNOS: use new restart hook")

Signed-off-by: Karol Lewandowski <8fb8916c55d06d2ab80c72f8c4561ece4e86f62e@samsung.com>
Signed-off-by: Kyungmin Park <504c23c4986a3760712724894be3105092c27331@samsung.com>
Cc: Thomas Abraham <f8cb4d3099c555ac2fa0712396a78d2cd666d4bd@linaro.org>
Signed-off-by: Kukjin Kim <3fc711f4e08bc570a586748633ff7c76d0e1e253@samsung.com>

TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs