WCNSS: Add back comments

Change-Id: Ia3d0f0519be7ff04e7a9ded585ccb9413a5d0284
wlan: Store avoid channel list

Store avoid channel list into recoverable location.
If Softap mode detects current channel is not safe to use,
WLAN kernel module will be restarted.
Then WLAN kernel module internal storage will lost
unsafe channel information.
To avoid start softap with unsafe channel, channel information
should be stored in static location.

Change-Id: I5a6d7ab7314936d7bbaaf7a005e58179a4dc0613
CRs-fixed: 576020
Signed-off-by: Leo Chang <leochang@codeaurora.org>
wcnss: Add two registers to wcnss dump

When a WDI timeout or Watchdog bite happens at WCNSS, certain WCNSS
registers are logged for debug purpose.  Add alarms txctl and alarms
tactl registers to the dump

Change-Id: Id79345666dd7e5b3d43b13fff5d8230e4fd38655
CRs-fixed: 587892
Acked-by: Yuanyuan Liu <yuanliu@qca.qualcomm.com>
Signed-off-by: Sameer Thalappil <sameert@codeaurora.org>
wcnss: Add support to configure the Wlan MAC addr

    This change introduces a sysfs entry to allow userspace to
    configure the wlan MAC addr and exports an API which allows
    WLAN and other wireless technologies to query the wlan MAC
    addr

    Change-Id: I751b2cf2db1321926e8e16ef1baaa4fa3d8d06cf
    CRs-Fixed: 583465
    Signed-off-by:  <hkpatel@codeaurora.org>

Change-Id: I99e811de26abca74ddac9cc1b75c8eba02b8fa36