init project

Signed-off-by: a1012112796 <1012112796@qq.com>

rt-thread/libcpu/arm/SConscript

@@ -0,0 +1,18 @@
+# RT-Thread building script for bridge
+
+import os
+from building import *
+
+Import('rtconfig')
+
+cwd = GetCurrentDir()
+list = os.listdir(cwd)
+
+# add common code files
+group = SConscript(os.path.join('common', 'SConscript'))
+
+# cpu porting code files
+if rtconfig.CPU in list:
+    group = group + SConscript(os.path.join(rtconfig.CPU, 'SConscript'))
+
+Return('group')