fix lwp SConscript的头文件目录为空的问题;lwp把arm9改名成arm926

Author: shaojinchun

components/lwp/SConscript

@@ -3,9 +3,9 @@ from building import *
 
 cwd     = GetCurrentDir()
 src     = []
-CPPPATH = []
+CPPPATH = [cwd]
 
-support_arch  = {"arm": ["cortex-m3", "cortex-m4", "cortex-m7", "arm9", "cortex-a9"]}
+support_arch  = {"arm": ["cortex-m3", "cortex-m4", "cortex-m7", "arm926", "cortex-a9"]}
 platform_file = {'armcc': 'rvds.S', 'gcc': 'gcc.S', 'iar': 'iar.S'}
 
 if rtconfig.PLATFORM in platform_file.keys():	# support platforms