[PATCH V2] mtd: spi-nor: prefer more specific entries from chips database

[Bean Huo 霍斌斌 (beanhuo)]

>Sometimes, five bytes ID is not enough, please read the patch:
>	http://lists.infradead.org/pipermail/linux-mtd/2014-August/055018.html

>In current table, Micron's chips do not have five bytes ID yet.
>But Spansion has already had many five bytes ID chips now.

Yes,we now intend to add it,and submit a patch about it .

BeanHuo