mx25: remove unused mx25_clocks_init() argument

The fref is needless on mx25 since the reference clock is fixed at 24MHz.

Signed-off-by: Baruch Siach <baruch@tkos.co.il>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
diff --git a/arch/arm/mach-mx25/clock.c b/arch/arm/mach-mx25/clock.c
index 3be51dd..abd303b 100644
--- a/arch/arm/mach-mx25/clock.c
+++ b/arch/arm/mach-mx25/clock.c
@@ -211,7 +211,7 @@
 	_REGISTER_CLOCK("fec.0", NULL, fec_clk)
 };
 
-int __init mx25_clocks_init(unsigned long fref)
+int __init mx25_clocks_init(void)
 {
 	int i;