Change unit of MaxNetworkBandwidth to bps from Mbps at CameraAVSM (#41305)

initialization from camera-app.

Fixes https://github.com/project-chip/connectedhomeip/issues/40634
diff --git a/examples/camera-app/camera-common/src/camera-app.cpp b/examples/camera-app/camera-common/src/camera-app.cpp
index 9b6547a..0f1e377 100644
--- a/examples/camera-app/camera-common/src/camera-app.cpp
+++ b/examples/camera-app/camera-common/src/camera-app.cpp
@@ -30,6 +30,8 @@
 using namespace chip::app::Clusters::CameraAvSettingsUserLevelManagement;
 using namespace chip::app::Clusters::ZoneManagement;
 
+static constexpr uint32_t kBitsPerMegabit = 1000000;
+
 template <typename T>
 using List   = chip::app::DataModel::List<T>;
 using Status = Protocols::InteractionModel::Status;
@@ -139,7 +141,7 @@
         ? TwoWayTalkSupportTypeEnum::kFullDuplex
         : TwoWayTalkSupportTypeEnum::kNotSupported;
     std::vector<SnapshotCapabilitiesStruct> snapshotCapabilities = mCameraDevice->GetCameraHALInterface().GetSnapshotCapabilities();
-    uint32_t maxNetworkBandwidth                                 = mCameraDevice->GetCameraHALInterface().GetMaxNetworkBandwidth();
+    uint32_t maxNetworkBandwidth = mCameraDevice->GetCameraHALInterface().GetMaxNetworkBandwidth() * kBitsPerMegabit;
     std::vector<StreamUsageEnum> supportedStreamUsages = mCameraDevice->GetCameraHALInterface().GetSupportedStreamUsages();
     std::vector<StreamUsageEnum> streamUsagePriorities = mCameraDevice->GetCameraHALInterface().GetStreamUsagePriorities();