staging: wlan-ng: rename DIDmib_dot11smt_dot11WEPDefaultKeysTable in p80211metadef.h

Rename DIDmib_dot11smt_dot11WEPDefaultKeysTable in p80211metadef.h to
DIDMIB_DOT11SMT_WEPDEFAULTKEYSTABLE to fix "Avoid CamelCase" message
from checkpatch and conform to the coding style guidelines. Also
shorten name by removing repeated use of "DOT11" to ease readability
and reduce long lines.

Signed-off-by: Tim Collier <osdevtc@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>