ARM: dts: exynos: Add front camera support to I9100

Add node for Samsung S5K5BAF CMOS image sensor and enable the associated
MIPI CSI-2 receiver node.

Signed-off-by: Timon Baetz <timon.baetz@protonmail.com>
Link: https://lore.kernel.org/r/20210327200851.777327-1-timon.baetz@protonmail.com


[krzk: put csis_1 node in alphabetical order]
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>