added BBB support

cmake/PreProjectConfig.cmake

@@ -51,7 +51,14 @@ if(${OS_FSFW} STREQUAL linux AND TGT_BSP)
 			"${CMAKE_SCRIPT_PATH}/RPiCrossCompileConfig.cmake"
 			PARENT_SCOPE
 		)
-	else()
+    elseif(${TGT_BSP} MATCHES "arm/beagleboneblack")
+        if(LINUX_CROSS_COMPILE)
+            set(CMAKE_TOOLCHAIN_FILE
+                "${CMAKE_SCRIPT_PATH}/BBBCrossCompileConfig.cmake"
+                PARENT_SCOPE
+            )
+        endif()
+    else()
 		message(WARNING "Target BSP (TGT_BSP) ${TGT_BSP} unknown!")
 	endif()
 endif()