fix(versal-net): use correct macro name for uart baudrate

Address an issue where incorrect macro name is being used for
setting the UART buad rate. Updated the code to use the
appropriate macro name, ensuring that baud rate name is proper.

Fixes: 04a483359fef ("feat(xilinx): sync macro names")
Signed-off-by: Prasad Kummari <prasad.kummari@amd.com>
Change-Id: I27dd8b1559beb0cf7b872de037adc95a948ecc2f
2 files changed