ARM: zynq: Move of_clk_init from clock driver

Move of_clk_init() from clock driver to enable
options not to use zynq clock driver.
Use for example fixed clock setting.

Signed-off-by: Michal Simek <michal.simek@xilinx.com>

arch/arm/mach-zynq/common.c

@@ -19,6 +19,7 @@
 #include <linux/cpumask.h>
 #include <linux/platform_device.h>
 #include <linux/clk.h>
+#include <linux/clk-provider.h>
 #include <linux/clk/zynq.h>
 #include <linux/clocksource.h>
 #include <linux/of_address.h>
@@ -68,6 +69,7 @@ static void __init zynq_timer_init(void)
 	zynq_early_slcr_init();
 
 	zynq_clock_init();
+	of_clk_init(NULL);
 	clocksource_of_init();
 }