staging: wlan-ng: rename DIDmib_dot11smt_dot11PrivacyTable_dot11PrivacyInvoked in p80211metadef.h

Rename DIDmib_dot11smt_dot11PrivacyTable_dot11PrivacyInvoked to
DIDMIB_DOT11SMT_PRIVACYTABLE_PRIVACYINVOKED 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>