linux-phytec-ti

arm64: dts: ti: k3-j721e-mcu Declare 8 bit TX capability for OSPI

Now that OSPI support 8D-8D-8D (8 bit DDR cmd-addr-data), declare 8 bit
TX capability in DT. While at that drop unused properties.

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