backport the upstreamed patch which is available in 3.14+
(From OE-Core rev: 46e0b41cc78d77900286c198da81159e63c2cb63)
Signed-off-by: Khem Raj <raj.khem@gmail.com>
Signed-off-by: Mathieu Dubois-Briand <mathieu.dubois-briand@bootlin.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>