staging: ks7010: remove supported card table with one element

There is only this card supported, no need to iterate over the table.
The resulting firmware filename wasn't used anyway, but came from the
config file or hardcoded default.

Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>