arm64: dts: ti: k3-j7200: Add I2C nodes

J7200 has 7 I2Cs in main domain, 2 I2Cs in MCU and 1 in wakeup domain.
Add DT nodes for the same.

Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com>
Signed-off-by: Nishanth Menon <nm@ti.com>
Reviewed-by: Sekhar Nori <nsekhar@ti.com>
Reviewed-by: Faiz Abbas <faiz_abbas@ti.com>
Link: https://lore.kernel.org/r/20200923155400.13757-2-vigneshr@ti.com