microblaze: Remove address offset for uart16550

U-Boot BSP handle 0x3 offset for big endian systems.
Little endian Microblaze systems don't use any offset.

Signed-off-by: Michal Simek <monstr@monstr.eu>

include/configs/microblaze-generic.h

@@ -44,7 +44,7 @@
 # define CONFIG_SYS_NS16550_REG_SIZE	-4
 # define CONFIG_CONS_INDEX		1
 # define CONFIG_SYS_NS16550_COM1 \
-			(XILINX_UART16550_BASEADDR + 0x1000 + 0x3)
+			(XILINX_UART16550_BASEADDR + 0x1000)
 # define CONFIG_SYS_NS16550_CLK	XILINX_UART16550_CLOCK_HZ
 # define CONFIG_BAUDRATE	115200