doc: fixed version parsing for docs

Signed-off-by: Anas Nashif <anas.nashif@intel.com>
diff --git a/doc/conf.py b/doc/conf.py
index 99817f4..9876b8d 100644
--- a/doc/conf.py
+++ b/doc/conf.py
@@ -60,7 +60,7 @@
     makefile_version_major = None
     makefile_version_minor = None
     makefile_patchlevel = None
-    for line in open('../Makefile'):
+    for line in open('../VERSION'):
         key, val = [x.strip() for x in line.split('=', 2)]
         if key == 'VERSION_MAJOR':
             makefile_version_major = val
@@ -78,7 +78,7 @@
     else:
         sys.stderr.write('Warning: Could not extract kernel version\n')
         version = release = "unknown version"
-        version = release = os.getenv('KERNELVERSION','0.1.0')
+        version = release = os.getenv('KERNELVERSION','1.9.0')
 
 # The language for content autogenerated by Sphinx. Refer to documentation
 # for a list of supported languages.