Revert "media: dt-bindings: adv748x: Fix decimal unit addresses"

This reverts commit 6281d021.

This is a preparation change for merging android-4.19-q.85 into
msm-4.19 branch.

[1] is conflicting against [2] in msm-4.19.

[1] 6281d021("media: dt-bindings: adv748x: Fix decimal unit addresses")
[2] 728aba9a("Documentation: devicetree: Remove devicetree bindings from kernel")

Change-Id: Iec805451b9361e73ef0cf865a082a638dd181282
Signed-off-by: Ivaylo Georgiev <irgeorgiev@codeaurora.org>