[MTD] NAND nand_base: Fix shift for bad block check (16bit devices only)

In case of an odd offset, the result was shifted by 1 instead of 8

Signed-off-by: Vitaly Wool <vwool@ru.mvista.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
1 file changed