[Silabs] Adds updated WiseConnect SDK and docker pre-installed WiFi SDKs (#29646)

* Adds chages to docker image and build scripts

* Adds fix for alignment

* Adds bugfix for change directory

* Removes changes from other PR

* Adds book keeping version checks

* Reverts changes to be added after docker update

* Adds updated SDK as per release

* Updates wiseconnect-wifi-bt-sdk to 2.8.1

* Adds updated docker images

* Adds update of WiSeConnect 2 SDK 2.8.2

* Adds requirements file for pip freeze

---------

Co-authored-by: Rohan Sahay <rohan.sahay@silabs.com>
diff --git a/.gitmodules b/.gitmodules
index 6ebfd6d..28bdba8 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -243,13 +243,18 @@
 [submodule "third_party/silabs/gecko_sdk"]
 	path = third_party/silabs/gecko_sdk
 	url = https://github.com/SiliconLabs/gecko_sdk.git
-	branch = v4.2.3
+	branch = v4.3.2
 	platforms = efr32
 [submodule "third_party/silabs/wiseconnect-wifi-bt-sdk"]
 	path = third_party/silabs/wiseconnect-wifi-bt-sdk
 	url = https://github.com/SiliconLabs/wiseconnect-wifi-bt-sdk.git
-	branch = 2.7.1-Matter
+	branch = 2.8.2
 	platforms = efr32,silabs_docker
+[submodule "third_party/silabs/wifi_sdk"]
+	path = third_party/silabs/wifi_sdk
+	url = https://github.com/SiliconLabs/wiseconnect.git
+	branch = v3.1.0
+	platforms = efr32
 [submodule "editline"]
 	path = third_party/editline/repo
 	url = https://github.com/troglobit/editline.git
@@ -314,11 +319,6 @@
 	url = https://github.com/asriot/ASR550X_Freertos.git
 	branch = matter
 	platforms = asr
-[submodule "third_party/silabs/wifi_sdk"]
-	path = third_party/silabs/wifi_sdk
-	url = https://github.com/SiliconLabs/wiseconnect
-	branch = master
-	platforms = efr32
 [submodule "third_party/st/STM32CubeWB"]
 	path = third_party/st/STM32CubeWB
 	url = https://github.com/STMicroelectronics/STM32CubeWB.git