arm64: dts: ti: k3-am62a-main: Add more peripheral nodes

Add DT nodes for main domain SPI, PWM, DMA, CPSW (ethernet), mailbox,
spinlock, USB and CAN.
Co-developed-by: Bryan Brattlof <bb@ti.com>
Signed-off-by: Bryan Brattlof <bb@ti.com>
Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com>
Link: https://lore.kernel.org/r/20230103042110.1092122-3-vigneshr@ti.com