[][[mt76] Add handler for RXCNT_INFO]

[Description]
Add handler for CMD_RXCNT_INFO and EVT_RXCNT_INFO

[Release-log]
N/A

Change-Id: Ieb83511008544d2cbab48ef58827f821b34da5b7
Reviewed-on: https://gerrit.mediatek.inc/c/openwrt/feeds/mtk_openwrt_feeds/+/6380075
2 files changed