iommu: msm: Add the iommu lock initialize function to iommu_access_ops

For completeness add the v0 IOMMU lock initialization function to the
access ops so that all the functions can be accessed the same way.

Change-Id: Ic0dedbadae5b3b2359336947a339b67ab91c4e17
Signed-off-by: Jordan Crouse <jcrouse@codeaurora.org>
diff --git a/arch/arm/mach-msm/include/mach/iommu.h b/arch/arm/mach-msm/include/mach/iommu.h
index f750dc8..23d204a 100644
--- a/arch/arm/mach-msm/include/mach/iommu.h
+++ b/arch/arm/mach-msm/include/mach/iommu.h
@@ -129,6 +129,7 @@
  * @iommu_power_off:    Turn off power to unit
  * @iommu_clk_on:       Turn on clks to unit
  * @iommu_clk_off:      Turn off clks to unit
+ * @iommu_lock_initialize: Initialize the remote lock
  * @iommu_lock_acquire: Acquire any locks needed
  * @iommu_lock_release: Release locks needed
  */
@@ -137,6 +138,7 @@
 	void (*iommu_power_off)(struct msm_iommu_drvdata *);
 	int (*iommu_clk_on)(struct msm_iommu_drvdata *);
 	void (*iommu_clk_off)(struct msm_iommu_drvdata *);
+	void * (*iommu_lock_initialize)(void);
 	void (*iommu_lock_acquire)(void);
 	void (*iommu_lock_release)(void);
 };