soc: RT595: Add USB support

1. Update soc.c file to add USB clock setup
2. Add a linker file to move USB transfer
   buffer and controller buffers to USB RAM
3. Update Kconfig's to add USB support
4. Add zephyr_udc0 nodelabel

Signed-off-by: Mahesh Mahadevan <mahesh.mahadevan@nxp.com>