add init loongson soc3210 porting.

git-svn-id: https://rt-thread.googlecode.com/svn/trunk@1013 bbd45198-f89e-11dd-88c7-29a3b14d5316

bsp/dev3210/SConscript

+Import('env')
+Import('projects')
+Import('RTT_ROOT')
+Import('rtconfig')
+
+# group definitions
+group = {}
+group['name'] = 'Startup'
+group['CCFLAGS'] = ''
+group['CPPPATH'] = [RTT_ROOT + '/bsp/dev3210']
+group['CPPDEFINES'] = []
+group['LINKFLAGS'] = ''
+
+src_bsp   = ['application.c', 'startup.c', 'board.c']
+src_drv   = ['uart.c', 'lnn800x480.c']
+
+group['src'] = File(src_bsp + src_drv)
+
+# add group to project list
+projects.append(group)
+
+env.Append(CCFLAGS = group['CCFLAGS'])
+env.Append(CPPPATH = group['CPPPATH'])
+env.Append(CPPDEFINES = group['CPPDEFINES'])
+env.Append(LINKFLAGS = group['LINKFLAGS'])
+
+obj = env.Object(group['src'])
+
+Return('obj')