[OE-core] [PATCH] utils: Add a cpu_count wrapper function

[Richard Purdie]

Add a cpu_count wrapper function (useful from annonymous python where
the import would be trickier).

Signed-off-by: Richard Purdie <richard.purdie at linuxfoundation.org>
---
diff --git a/meta/lib/oe/utils.py b/meta/lib/oe/utils.py
index 82987e8..36f82db 100644
--- a/meta/lib/oe/utils.py
+++ b/meta/lib/oe/utils.py
@@ -150,3 +150,7 @@ def trim_version(version, num_parts=2):
     parts = version.split(".")
     trimmed = ".".join(parts[:num_parts])
     return trimmed
+
+def cpu_count():
+    import multiprocessing
+    return multiprocessing.cpu_count()