APP_Framework/Framework/:add sensor SConscript and the sensor.c file can be compiled by default

APP_Framework/Framework/sensor/SConscript

@@ -0,0 +1,21 @@
+import os
+Import('RTT_ROOT')
+Import('rtconfig')
+from building import *
+
+cwd = GetCurrentDir()
+SOURCES = []
+if GetDepend(['SUPPORT_SENSOR_FRAMEWORK']):
+    SOURCES = ['sensor.c'] + SOURCES
+path =  [cwd]
+objs = []
+group = DefineGroup('sensor', SOURCES, depend = [], CPPPATH = [cwd])
+objs = objs + group
+list = os.listdir(cwd)
+
+for d in list:
+    path = os.path.join(cwd, d)
+    if os.path.isfile(os.path.join(path, 'SConscript')):
+        objs = objs + SConscript(os.path.join(path, 'SConscript'))
+
+Return('objs')