cpufreq: qoriq: rename the driver

This driver works on all QorIQ platforms which include
ARM-based cores and PPC-based cores.
Rename it in order to represent better.

Signed-off-by: Tang Yuantian <Yuantian.Tang@freescale.com>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
diff --git a/drivers/cpufreq/Kconfig b/drivers/cpufreq/Kconfig
index a171fef..659879a 100644
--- a/drivers/cpufreq/Kconfig
+++ b/drivers/cpufreq/Kconfig
@@ -293,5 +293,13 @@
 	  If unsure, say N.
 endif
 
+config QORIQ_CPUFREQ
+	tristate "CPU frequency scaling driver for Freescale QorIQ SoCs"
+	depends on OF && COMMON_CLK && (PPC_E500MC || ARM)
+	select CLK_QORIQ
+	help
+	  This adds the CPUFreq driver support for Freescale QorIQ SoCs
+	  which are capable of changing the CPU's frequency dynamically.
+
 endif
 endmenu