Instead of using a temporary buffer, snprintf() and kstrdup(), just
use kasprintf() that does the same thing in just oneline.
Signed-off-by: NThomas Petazzoni <thomas.petazzoni@free-electrons.com>
Acked-by: NStephen Warren <swarren@wwwdotorg.org>
Acked-by: NColin Cross <ccross@google.com>
Signed-off-by: NLinus Walleij <linus.walleij@linaro.org>