ARM: dts: AM4372: add l3-noc information

AM4372 has two clk domains 100f and 200s. Provide register mapping,
interrupt information and compatibility flags associated with it.

Signed-off-by: Dave Gerlach <d-gerlach@ti.com>
Signed-off-by: Afzal Mohammed <afzal@ti.com>
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
Signed-off-by: Nishanth Menon <nm@ti.com>