msm: kgsl: Correct the iommu protection ranges

The iommu protection range was not set correctly to the range
set in the dt files.

Change-Id: I9c1e4cd6aba8b555ca0714299e919acffd4aaa17
Signed-off-by: Lynus Vaz <lvaz@codeaurora.org>
diff --git a/drivers/gpu/msm/kgsl_iommu.c b/drivers/gpu/msm/kgsl_iommu.c
index 325d44a..0e8b7b2 100644
--- a/drivers/gpu/msm/kgsl_iommu.c
+++ b/drivers/gpu/msm/kgsl_iommu.c
@@ -2630,7 +2630,7 @@
 		return -EINVAL;
 	}
 	iommu->protect.base = reg_val[0] / sizeof(u32);
-	iommu->protect.range = ilog2(reg_val[1] / sizeof(u32));
+	iommu->protect.range = reg_val[1] / sizeof(u32);
 
 	of_property_for_each_string(node, "clock-names", prop, cname) {
 		struct clk *c = devm_clk_get(&pdev->dev, cname);