hw/i2c/aspeed: Add support for buffer organization

Added support for the buffer organization option in pool buffer control
register.when set to 1,The buffer is split into two parts: Lower 16 bytes
for Tx and higher 16 bytes for Rx.

Signed-off-by: Hang Yu <francis_yuu@stu.pku.edu.cn>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
[ clg: checkpatch fixes ]
Signed-off-by: Cédric Le Goater <clg@kaod.org>
2 files changed