[WCNCR00155320] misc: Fix incorrect bandwidth of Tx MCS distribution

[Description]
1. Fix incorrect bandwidth of Tx MCS distribution
2. Fix crash issue in Rx MCS collection timeout function

Change-Id: I5e1f9f5f8c600e88948db0bc1746bdde6cb2cba4
Signed-off-by: Glenn Tung <glenn.tung@mediatek.com>
CR-Id: WCNCR00155320
Feature: misc
Reviewed-on: http://gerrit.mediatek.inc:8080/1252507
CheckPatch: Check Patch <srv_checkpatch@mediatek.com>
Reviewed-by: George Kuo <george.kuo@mediatek.com>
Reviewed-by: ZD Hu <zd.hu@mediatek.com>
Build: srv_neptune_adm <srv_neptune_adm@mediatek.com>
2 files changed