powerpc/cpufreq: Add cpufreq driver for Momentum Maple boards

Add simple cpufreq driver for Maple-based boards (ppc970fx evaluation
kit and others). Driver is based on a cpufreq driver for 64-bit powermac
boxes with all pmac-dependant features removed and simple cleanup
applied.

Signed-off-by: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
diff --git a/drivers/cpufreq/Makefile b/drivers/cpufreq/Makefile
index e2fc2d2..ca3796d 100644
--- a/drivers/cpufreq/Makefile
+++ b/drivers/cpufreq/Makefile
@@ -41,3 +41,8 @@
 
 # ARM SoC drivers
 obj-$(CONFIG_UX500_SOC_DB8500)		+= db8500-cpufreq.o
+
+
+##################################################################################d
+# PowerPC platform drivers
+obj-$(CONFIG_CPU_FREQ_MAPLE)		+= maple-cpufreq.o