staging: wlan-ng: rename DIDmib_dot11smt_dot11PrivacyTable_dot11WEPDefaultKeyID in p80211metadef.h

Rename DIDmib_dot11smt_dot11PrivacyTable_dot11WEPDefaultKeyID in
p80211metadef.h to DIDMIB_DOT11SMT_PRIVACYTABLE_WEPDEFAULTKEYID 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>