media: xilinx: scaler: Add controls for aperture configuration

Previously, the aperture was set same as the input size. This patch adds
the control which enables the aperture configuration at run time.

Signed-off-by: Hyun Kwon <hyunk@xilinx.com>
media: xilinx: scaler: Define XSCALER_SF_SHIFT

Define XSCALER_SF_SHIFT instead of using the number. It is the shift for
scaling factor register.

Signed-off-by: Hyun Kwon <hyunk@xilinx.com>
arm: config: xilinx zynq: Add v4l configs

Add v4l IPs configs
arm: dts: Add zc702 vdf dts

Add zc702 vdf dts.
arm: dts: Add dts for zc706 vdf

Add dts for zc706 vdf