powerpc: Fix up modules that should be including module.h

So that we can clean up the header files and not be relying
on implicit includes from device.h ---> module.h

Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
diff --git a/arch/powerpc/platforms/pasemi/cpufreq.c b/arch/powerpc/platforms/pasemi/cpufreq.c
index c16537b..95d0017 100644
--- a/arch/powerpc/platforms/pasemi/cpufreq.c
+++ b/arch/powerpc/platforms/pasemi/cpufreq.c
@@ -27,6 +27,7 @@
 
 #include <linux/cpufreq.h>
 #include <linux/timer.h>
+#include <linux/module.h>
 
 #include <asm/hw_irq.h>
 #include <asm/io.h>