arm64: dts: ti: k3-j784s4-evm: Add Support for UFS peripheral

arm64: dts: ti: k3-j784s4-evm: Add Support for UFS peripheral

J784S4 EVM board has 32GB Non-Volatile UFS Memory.
So enabling UFS at board level.

UFS flash details are documented in board data sheet[1]
Section 1.2 Key Features and Interfaces.

[1] https://www.ti.com/lit/pdf/spruj62

Cc: Chai Wenle <Wenle.Chai@windriver.com>
Tested-by: Chai Wenle <Wenle.Chai@windriver.com>
Signed-off-by: Udit Kumar <u-kumar1@ti.com>
Reviewed-by: Vignesh Raghavendra <vigneshr@ti.com>
Link: https://lore.kernel.org/r/20230725133607.2021379-3-u-kumar1@ti.com
Signed-off-by: Nishanth Menon <nm@ti.com>