wlan: update the exist condition of cfg.ini file.

In some cases, cfg.ini file is there but the size is 0. So we need
to check the size also.

Change-Id: Ic4ca9ecb050193d9be6c8e754894394ce508a3ba
CRs-Fixed: 533380
device/qcom/common: Modify permissions of wcd9xxx to 644

Modify permissions of wcd9xxx folder to 644.

CRs-Fixed: 605540
Change-Id: Iee104826d6ef6c54e56303161fc11d68f651a4ca
Merge "device/qcom/common: Modify permissions of wcd9xxx to 644"
Merge "wlan: update the exist condition of cfg.ini file."
librecovery_updater_msm: Properly free allocated memory

Free updater ReadArgs allocated memory.

CRs-Fixed: 553376

Change-Id: Id92723a51a82830b8ba845df96a246a5708c7c3c
Merge "librecovery_updater_msm: Properly free allocated memory"