am33xx: Enable UART{1,2,3,4,5} clocks

If configured to use UART{1,2,3,4,5} such as on the Beaglebone RS232
cape or the am335x_evm daughterboard, enable the required clocks for
the UART in use.

Signed-off-by: Andrew Bradford <andrew@bradfordembedded.com>
1 file changed