qcacld-3.0: Correct default value comment for INI igmp_version_support

By default INI item igmp_version_support has value 0x7. Fix the comment
to match with the correct default value.

Change-Id: Iab0caf41b3f3a57873b8cae1188d475adcfe9cc5
CRs-Fixed: 3042427

components/pmo/dispatcher/inc/wlan_pmo_common_cfg.h

@@ -554,7 +554,7 @@
  * igmp_version_support - Configure igmp version
  * @Min: 0x00000000
  * @Max: 0x7
- * @Default: 0x0000000
+ * @Default: 0x7
  *
  * This ini is used to configure version while offloading igmp
  *