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J721E has two CSI2RX capture subsystem featuring Cadence CSI2RX,
DPHY and TI's pixel grabbing wrapper. Add nodes for the same and
keep them disabled by default.

J721E TRM (Section 12.7 Camera Subsystem):
	https://www.ti.com/lit/zip/spruil1

Signed-off-by: Vaishnav Achath <vaishnav.a@ti.com>
Reviewed-by: Jai Luthra <j-luthra@ti.com>
Link: https://lore.kernel.org/r/20240215085518.552692-7-vaishnav.a@ti.com

Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com>