driver core: firmware: use __ATTR_RW()
driver core: firmware: use __ATTR_RW()

Use __ATTR_RW() instead of __ATTR() to make it more obvious what the
type of attribute is being created.

Signed-off-by: Greg Kroah-Hartman <4645f7897fd33786a2ee1264d590b3c400559d85@linuxfoundation.org>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs