[PATCH] arm/imx: fix cpufreq build error

[Shawn Guo]

This patch adds missing linux/module.h to fix the build error seen
on imx cpuidle driver.

  CC      arch/arm/plat-mxc/cpufreq.o
arch/arm/plat-mxc/cpufreq.c:203: error: expected declaration specifiers or '...' before string constant
arch/arm/plat-mxc/cpufreq.c:203: warning: data definition has no type or storage class
arch/arm/plat-mxc/cpufreq.c:203: warning: type defaults to 'int' in declaration of 'MODULE_AUTHOR'
arch/arm/plat-mxc/cpufreq.c:203: warning: function declaration isn't a prototype
arch/arm/plat-mxc/cpufreq.c:204: error: expected declaration specifiers or '...' before string constant
arch/arm/plat-mxc/cpufreq.c:204: warning: data definition has no type or storage class
arch/arm/plat-mxc/cpufreq.c:204: warning: type defaults to 'int' in declaration of 'MODULE_DESCRIPTION'
arch/arm/plat-mxc/cpufreq.c:204: warning: function declaration isn't a prototype
arch/arm/plat-mxc/cpufreq.c:205: error: expected declaration specifiers or '...' before string constant
arch/arm/plat-mxc/cpufreq.c:205: warning: data definition has no type or storage class
arch/arm/plat-mxc/cpufreq.c:205: warning: type defaults to 'int' in declaration of 'MODULE_LICENSE'
arch/arm/plat-mxc/cpufreq.c:205: warning: function declaration isn't a prototype
make[1]: *** [arch/arm/plat-mxc/cpufreq.o] Error 1
make: *** [arch/arm/plat-mxc] Error 2

Reported-by: Richard Zhao <richard.zhao at freescale.com>
Signed-off-by: Shawn Guo <shawn.guo at linaro.org>
---
 arch/arm/plat-mxc/cpufreq.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/arch/arm/plat-mxc/cpufreq.c b/arch/arm/plat-mxc/cpufreq.c
index 74aac96..e3073be 100644
--- a/arch/arm/plat-mxc/cpufreq.c
+++ b/arch/arm/plat-mxc/cpufreq.c
@@ -20,6 +20,7 @@
 #include <linux/cpufreq.h>
 #include <linux/clk.h>
 #include <linux/err.h>
+#include <linux/module.h>
 #include <linux/slab.h>
 #include <mach/hardware.h>
 #include <mach/clock.h>
-- 
1.7.4.1