Add support for auto ci

.travis.yml

+language: c
+
+install:
+  - mkdir ~/toolchain
+  - curl -s https://sourcery.mentor.com/public/gnu_toolchain/arm-none-eabi/arm-2011.03-42-arm-none-eabi-i686-pc-linux-gnu.tar.bz2 | tar xjf - -C ~/toolchain
+
+before_script:
+  - export RTT_EXEC_PATH=~/toolchain/arm-2011.03/bin
+  - export RTT_ROOT=`pwd`
+  - cd tools
+
+script:
+  - python auto-ci.py
+
+notifications:
+  email: false
+
+env:
+  - RTT_CC='gcc'

tools/auto-ci.py

+import os
+import sys
+
+BSP_ROOT = '../bsp'
+
+unsupported = """
+bf533
+dev3210
+jz47xx
+ls1bdev
+m16c62p
+microblaze
+mini4020
+nuc140
+nios_ii
+pic32ethernet
+upd70f3454
+wh44b0
+xplorer4330
+"""
+
+failed = """
+stm32f0x
+"""
+
+avr = """
+avr32uc3b0
+"""
+
+ppc = """
+taihu
+"""
+
+x86 = """
+simulator
+x86
+"""
+
+arm = """
+at91sam9260
+efm32
+lm3s8962
+lm3s9b9x
+lm4f232
+lpc1114
+lpc122x
+lpc176x
+lpc178x
+lpc2148
+lpc2478
+mb9bf500r
+mb9bf506r
+mini2440
+sam7s
+sam7x
+stm32f107
+stm32f10x
+stm32f20x
+stm32f40x
+""".split()
+
+for item in arm:
+    project_dir = os.path.join(BSP_ROOT, item)
+    if os.path.isfile(os.path.join(project_dir, 'SConstruct')):
+        if os.system('scons --directory=' + project_dir) != 0:
+            print 'build failed!!'
+            sys.exit(1)
+
+sys.exit(0)