arm64: defconfig: Enable J721E CSI2RX

arm64: defconfig: Enable J721E CSI2RX

AM62 and other K3 based SoCs use Cadence DPHY and CSI-RX bridge
drivers, along with a DMA wrapper CSI IP for the camera pipeline.

Enable the same to get camera functionality on AM62x-SK, BeaglePlay and
AM62Ax SK among other platforms.

Tested-by: Martyn Welch <martyn.welch@collabora.com>
Signed-off-by: Jai Luthra <j-luthra@ti.com>
Link: https://lore.kernel.org/r/20231201-csi_dts-v3-1-9f06f31080fe@ti.com
Signed-off-by: Nishanth Menon <nm@ti.com>