ARM: mediatek: Replace <linux/clk-provider.h> by <linux/of_clk.h>

The Mediatek platform code is not a clock provider, and just needs to
call of_clk_init().

Hence it can include <linux/of_clk.h> instead of <linux/clk-provider.h>.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Stephen Boyd <sboyd@kernel.org>
Link: https://lore.kernel.org/r/20200505154536.4099-3-geert+renesas@glider.beSigned-off-by: Matthias Brugger <matthias.bgg@gmail.com>

arch/arm/mach-mediatek/mediatek.c

@@ -9,7 +9,7 @@
 #include <linux/io.h>
 #include <asm/mach/arch.h>
 #include <linux/of.h>
-#include <linux/clk-provider.h>
+#include <linux/of_clk.h>
 #include <linux/clocksource.h>