arm: mach-k3: j7200: clk-data.c: Add main_uart1 clock data

Add main_uart1 clocks in clk-data.c for J7200. Now,
main_uart1 clocks will be set up while booting the J7200 SoC.

Signed-off-by: Bhavya Kapoor <b-kapoor@ti.com>