ARM: imx: clk: No need to initialize phandle struct

commit 84344b43c (ARM: i.MX5: Allow DT clock providers) introduce the following
sparse warning:

arch/arm/mach-imx/clk.c:12:43: warning: Using plain integer as NULL pointer

There is no need to initialize phandle, so remove it.

Cc: Martin Fuzzey <mfuzzey@parkeon.com>
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
diff --git a/arch/arm/mach-imx/clk.c b/arch/arm/mach-imx/clk.c
index 53e8788..55bc80a 100644
--- a/arch/arm/mach-imx/clk.c
+++ b/arch/arm/mach-imx/clk.c
@@ -9,7 +9,7 @@
 
 static struct clk * __init imx_obtain_fixed_clock_from_dt(const char *name)
 {
-	struct of_phandle_args phandle = {0};
+	struct of_phandle_args phandle;
 	struct clk *clk = ERR_PTR(-ENODEV);
 	char *path;