import RT-Thread@9217865c without bsp, libcpu and components/net

components/drivers/fdt/src/SConscript

@@ -0,0 +1,17 @@
+from building import *
+
+cwd     = GetCurrentDir()
+src     = Glob('*.c')
+list    = os.listdir(cwd)
+CPPPATH = [cwd + '/../inc' , cwd + '/libfdt']
+objs    = []
+
+group = DefineGroup('FDT', src, depend = ['RT_USING_FDT'], CPPPATH = CPPPATH)
+
+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(d, 'SConscript'))
+objs = objs + group
+
+Return('objs')