ARM: dts: Add watchdog in exynos5440-ssdk5440 device list

Signed-off-by: Giridhar Maruthy <giridhar.m@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
ARM: dts: Add RTC in exynos5440-ssdk5440 device list

Signed-off-by: Giridhar Maruthy <giridhar.m@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
ARM: dts: include I2C devices for exynos5440 and ssdk5440

Signed-off-by: Giridhar Maruthy <giridhar.m@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>