msm: clock: Use device names to distinguish between PRNG clocks

Drivers should now use their device names to distinguish between
clocks of the same type rather than the clock name. This allows
the clock names to be updated to match the new naming convention.

Signed-off-by: Matt Wagantall <mattw@codeaurora.org>
diff --git a/drivers/char/hw_random/msm_rng.c b/drivers/char/hw_random/msm_rng.c
index 66fcaf2..3a2cd9a 100644
--- a/drivers/char/hw_random/msm_rng.c
+++ b/drivers/char/hw_random/msm_rng.c
@@ -136,7 +136,7 @@
 	msm_rng_dev->base = base;
 
 	/* create a handle for clock control */
-	msm_rng_dev->prng_clk = clk_get(NULL, "prng_clk");
+	msm_rng_dev->prng_clk = clk_get(&pdev->dev, "core_clk");
 	if (IS_ERR(msm_rng_dev->prng_clk)) {
 		dev_err(&pdev->dev, "failed to register clock source\n");
 		error = -EPERM;