Pull request #21: Bugfix/ap not found

Merge in WMN_TOOLS/matter from bugfix/ap_not_found to RC_july_25_2022

Squashed commit of the following:

commit 98faf3d374417e5985829c045513004bddbfe5ec
Author: Chirag Bansal <[email protected]>
Date:   Tue Jul 19 23:54:09 2022 +0530

    Added support for RS9116 2.6.0 FW and commented DGWIFI

commit 256f104fee65c4fe4662f9011f41c8f4d5b912f1
Merge: c604386fa 8c5d11ffb
Author: Chirag Bansal <[email protected]>
Date:   Tue Jul 19 23:49:53 2022 +0530

    Merge branch 'bugfix/ap_not_found' of ssh://stash.silabs.com/wmn_tools/matter into bugfix/ap_not_found

commit 8c5d11ffb9cf96ba5ec7513d73d52e7ee6c8764d
Author: Chirag Bansal <[email protected]>
Date:   Tue Jul 19 17:00:55 2022 +0530

    Added fixes for AP not found

commit 9e9130275e8591dc2ec8abb8ee30ec1f8f7af5c0
Author: Chirag Bansal <[email protected]>
Date:   Tue Jul 19 16:58:26 2022 +0530

    Revert "Added fixes for AP not found"

    This reverts commit 6456c15136c84f85c01d71ca2d51b59144646fc8.

commit 5d1f4ede58392523c32bdfe16f1335ed42c5500b
Author: Chirag Bansal <[email protected]>
Date:   Tue Jul 19 16:57:30 2022 +0530

    Added fixes for AP not found

commit c604386fa48e8d0c823b17bd2980391399cb20b8
Author: Chirag Bansal <[email protected]>
Date:   Tue Jul 19 17:00:55 2022 +0530

    Added fixes for AP not found

commit 8a21f302bebfa6f6fd3ef5eeb357c2aeb00be9d0
Author: Chirag Bansal <[email protected]>
Date:   Tue Jul 19 16:58:26 2022 +0530

    Revert "Added fixes for AP not found"

    This reverts commit 6456c15136c84f85c01d71ca2d51b59144646fc8.

commit 6456c15136c84f85c01d71ca2d51b59144646fc8
Author: Chirag Bansal <[email protected]>
Date:   Tue Jul 19 16:57:30 2022 +0530

    Added fixes for AP not found

src/platform/EFR32/NetworkCommissioningWiFiDriver.cpp

@@ -130,7 +130,7 @@ CHIP_ERROR SlWiFiDriver::ConnectWiFiNetwork(const char * ssid, uint8_t ssidLen,
     wfx_wifi_provision_t wifiConfig = {};
     memcpy(wifiConfig.ssid, ssid, ssidLen);
     memcpy(wifiConfig.passkey, key, keyLen);
-    wifiConfig.security = WFX_SEC_WPA2;
+    wifiConfig.security = WFX_SEC_WPA_WPA2_MIXED;
 
     ChipLogProgress(NetworkProvisioning, "Setting up connection for WiFi SSID: %.*s", static_cast<int>(ssidLen), ssid);
     // Configure the WFX WiFi interface.