ARM: orion5x: Remove clk-provider.h include

This file doesn't use the clk provider APIs. Remove the include.

Cc: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: NStephen Boyd <sboyd@codeaurora.org>

arch/arm/mach-orion5x/board-dt.c

@@ -16,7 +16,6 @@
 #include <linux/of_platform.h>
 #include <linux/cpu.h>
 #include <linux/mbus.h>
-#include <linux/clk-provider.h>
 #include <linux/clocksource.h>
 #include <asm/system_misc.h>
 #include <asm/mach/arch.h>