The logic to check return value of clk_enable() and clk_prepare() is reversed,
fix it.
Signed-off-by: NAxel Lin <axel.lin@ingics.com>
Cc: stable@vger.kernel.org
Acked-by: NViresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: NThierry Reding <thierry.reding@avionic-design.de>