uboot-phytec

armv8: ls1012ardb: clean up definitions for I2C IO expanders

This patch is to clean up definitions for I2C IO expanders.
The value 0x10 of __SW_BOOT_EMU is wrong. It should be 0x2.
Fixed it in this patch.

Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com>
Reviewed-by: York Sun <york.sun@nxp.com>