clocksource: cadence_ttc: Remove unused header

The clk-provider.h header is not required by this driver.
Signed-off-by: Soren Brinkmann <soren.brinkmann@xilinx.com>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>

drivers/clocksource/cadence_ttc_timer.c

@@ -21,7 +21,6 @@
 #include <linux/of_address.h>
 #include <linux/of_irq.h>
 #include <linux/slab.h>
-#include <linux/clk-provider.h>
 
 /*
  * This driver configures the 2 16-bit count-up timers as follows: