arm64: dts: ti: k3-j721e-som-p0: Enable wakeup_i2c0 and eeprom

Enable wakeup_i2c and use un-used pinmux. While at it, describe the
board detection eeprom present on the board.

Signed-off-by: Nishanth Menon <nm@ti.com>
Link: https://lore.kernel.org/r/20230601183151.1000157-6-nm@ti.com


Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com>