cpufreq: enable the DT cpufreq driver on the Ux500

This enables the generic DT and OPP-based cpufreq driver on the
ST-Ericsson Ux500 series.
Acked-by: NViresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: NLinus Walleij <linus.walleij@linaro.org>
Signed-off-by: NRafael J. Wysocki <rafael.j.wysocki@intel.com>

drivers/cpufreq/cpufreq-dt-platdev.c

@@ -89,6 +89,11 @@ static const struct of_device_id machines[] __initconst = {
 	{ .compatible = "socionext,uniphier-ld11", },
 	{ .compatible = "socionext,uniphier-ld20", },
 
+	{ .compatible = "st-ericsson,u8500", },
+	{ .compatible = "st-ericsson,u8540", },
+	{ .compatible = "st-ericsson,u9500", },
+	{ .compatible = "st-ericsson,u9540", },
+
 	{ .compatible = "ti,omap2", },
 	{ .compatible = "ti,omap3", },
 	{ .compatible = "ti,omap4", },