[Build] Upgrade BFB build process to avoid default bfb and upgrade to 3.8.5 ver (#25)

Signed-off-by: Vivek Reddy Karri <[email protected]>
Co-authored-by: Vivek Reddy Karri <[email protected]>

Author: vivekrnv

bfb-mk-demo.sh

@@ -294,7 +294,7 @@ elif [[ $IMAGE_TYPE = s2s && $CONFIGURED_PLATFORM == nvidia-bluefield ]]; then
     generate_s2s_installer_image_bluefield
 
 elif [[ $IMAGE_TYPE == bfb && $CONFIGURED_PLATFORM == nvidia-bluefield ]]; then
-    sudo --preserve-env /sonic/installer/bluefield/create_sonic_bfb --sonic_version $IMAGE_VERSION
+    sudo --preserve-env /sonic/installer/bluefield/create_sonic_bfb --kernel $KVERSION
     sudo chown $USER ./$OUTPUT_BFB_IMAGE
 
 elif [[ $IMAGE_TYPE == pxe && $CONFIGURED_PLATFORM == nvidia-bluefield ]]; then