[bsp] add spackfun-redv bsp

bsp/sparkfun-redv/applications/SConscript

@@ -0,0 +1,18 @@
+Import('RTT_ROOT')
+Import('rtconfig')
+from building import *
+
+cwd     = os.path.join(str(Dir('#')), 'applications')
+src	= Glob('*.c')
+src.append('led/led.c')
+
+CPPPATH = [cwd, 
+    str(Dir('#')),
+    os.path.join(str(Dir('#')), 'freedom-e-sdk/bsp/env'),
+    os.path.join(str(Dir('#')), 'freedom-e-sdk/bsp/env/freedom-e300-hifive1'),
+    os.path.join(str(Dir('#')), 'freedom-e-sdk/include/sifive/devices'),
+    os.path.join(cwd, 'led')]
+
+group = DefineGroup('Applications', src, depend = [''], CPPPATH = CPPPATH)
+
+Return('group')