staging: wlan-ng: rename DIDmib_dot11mac_dot11OperationTable_dot11LongRetryLimit in p80211metadef.h

Rename DIDmib_dot11mac_dot11OperationTable_dot11LongRetryLimitin
p80211metadef.h to DIDMIB_DOT11MAC_OPERATIONTABLE_LONGRETRYLIMIT 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>