power: supply: sbs-message: double left shift bug in sbsm_select()

The original code does this: "1 << (1 << 11)" which is undefined in C.

Fixes: dbc4deda

 ("power: Adds support for Smart Battery System Manager")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.co.uk>