create_npm.py: convert MIT/X11 to MIT

Quite a few npm packages declare MIT/X11 as their license. This is equal to
a pure MIT license.

(From OE-Core rev: 8df5e731a10cc9ade1266e9daaa26ec7c855c062)

Signed-off-by: Anders Darander <anders@chargestorm.se>
Signed-off-by: Ross Burton <ross.burton@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

scripts/lib/recipetool/create_npm.py

@@ -45,6 +45,8 @@ class NpmRecipeHandler(RecipeHandler):
             license = data['license']
             if isinstance(license, dict):
                 license = license.get('type', None)
+            if 'MIT/X11' in license:
+                license = 'MIT'
         return license
 
     def _shrinkwrap(self, srctree, localfilesdir, extravalues, lines_before):