util: generate fully qualified paths for cscope

Change-Id: I318c185b117b9608110544526fbaaa3fdcdeb8bc
Signed-off-by: Gedare Bloom <gedare@rtems.org>
Reviewed-on: https://gem5-review.googlesource.com/3260
Reviewed-by: Jason Lowe-Power <jason@lowepower.com>
Maintainer: Jason Lowe-Power <jason@lowepower.com>

util/cscope-index.py

@@ -46,8 +46,9 @@ def oksuffix(f):
     return False
 
 file_list = file('cscope.files', 'w')
+cwd = os.getcwd()
 
-for dirpath,subdirs,files in os.walk('src'):
+for dirpath,subdirs,files in os.walk(os.path.join(cwd, 'src')):
     # filter out undesirable subdirectories
     for i,dir in enumerate(subdirs):
         if dir == 'SCCS':