ARM: OMAP2+: Fix WL1283 Bluetooth Baud Rate

Commit 485fa126 ("ARM: OMAP2+: LogicPD Torpedo + Wireless: Add Bluetooth")
set the wrong baud rate for the UART. The Baud rate was 300,000 and it should
be 3,000,000 for WL1283.

Signed-off-by: Adam Ford <aford173@gmail.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>