staging: ks7010: Use constants from ieee80211_eid instead of literal ints.

The case statement in get_ap_information() should not use literal integers
to parse information element IDs when these values are provided by name
in 'enum ieee80211_eid' in the header 'linux/ieee80211.h'.

Signed-off-by: Quytelda Kahja <quytelda@tamalin.org>
Reviewed-by: Tobin C. Harding <me@tobin.cc>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>