x86: bayleybay: Add PS/2 keyboard and mouse to ASL file

Without PS/2 keyboard and mouse in the ASL file, Windows does not
see them. No problem for Linux as it probes keyboard and mouse via
the legacy 8042 I/O port.

Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>