arm64: dts: ti: k3-am62: Add more peripheral nodes

Add nodes for McSPI, OSPI, DMA, CPSW, MMC and On Chip SRAM nodes.

Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com>
Reviewed-by: Bryan Brattlof <bb@ti.com>
Link: https://lore.kernel.org/r/20220427072954.8821-2-vigneshr@ti.com