Revert "media: v4l2: Remove vidioc_s_ctrl callback"

This reverts commit 0d751293.

The virtio-media driver still needs this definition. The original patch
can be reapplied following the kernel upgrade to v6.15-rc1.

Bug: 410881175
Cc: Alistair Delva <adelva@google.com>
Change-Id: I65d63623c8a013f39621e2dd20432a1f9db9d226
Signed-off-by: Carlos Llamas <cmllamas@google.com>