staging: rtl8723bs: use WLAN_EID_HT_OPERATION

Replace unique _HT_EXTRA_INFO_IE_ and _HT_ADD_INFO_IE_ macros with kernel
provided WLAN_EID_HT_OPERATION from linux/ieee80211.h.

Signed-off-by: Ross Schmidt <ross.schm.dev@gmail.com>
Link: https://lore.kernel.org/r/20201208040733.379197-5-ross.schm.dev@gmail.com


Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>