serial: ns16550: Remove hard-coded baud_divisor setting

This was accidentally added by commit dd0b0122bacc
"serial: ns16550: Add an option to specify the debug UART register shift".
Remove it.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Acked-by: Simon Glass <sjg@chromium.org>
1 file changed