arm: mach-k3: j784s4: Add clk and power support for wkup_uart

Add clk and device data which can be used by wkup_uart driver
to configure clocks and PSC.

Signed-off-by: Bhavya Kapoor <b-kapoor@ti.com>
Reviewed-by: Bryan Brattlof <bb@ti.com>
2 files changed