clk: sunxi: add __iomem markings to MMIO pointers

This commit adds __iomem thoughout the sunxi clock driver, in places
where it was ommited. This cleans most of the sparse warnings we
are getting here.

Signed-off-by: Emilio López <emilio@elopez.com.ar>
Acked-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Signed-off-by: Mike Turquette <mturquette@linaro.org>
diff --git a/drivers/clk/sunxi/clk-sunxi.c b/drivers/clk/sunxi/clk-sunxi.c
index 8975972..b654b7b 100644
--- a/drivers/clk/sunxi/clk-sunxi.c
+++ b/drivers/clk/sunxi/clk-sunxi.c
@@ -593,7 +593,7 @@
 	struct clk_hw *mux_hw = NULL;
 	const char *clk_name = node->name;
 	const char *parents[SUNXI_MAX_PARENTS];
-	void *reg;
+	void __iomem *reg;
 	int i = 0;
 
 	reg = of_iomap(node, 0);
@@ -698,7 +698,7 @@
 	struct clk *clk;
 	const char *clk_name = node->name;
 	const char *parents[SUNXI_MAX_PARENTS];
-	void *reg;
+	void __iomem *reg;
 	int i = 0;
 
 	reg = of_iomap(node, 0);
@@ -780,7 +780,7 @@
 	struct clk *clk;
 	const char *clk_name = node->name;
 	const char *clk_parent;
-	void *reg;
+	void __iomem *reg;
 
 	reg = of_iomap(node, 0);
 
@@ -962,7 +962,7 @@
 	struct gates_reset_data *reset_data;
 	const char *clk_parent;
 	const char *clk_name;
-	void *reg;
+	void __iomem *reg;
 	int qty;
 	int i = 0;
 	int j = 0;
@@ -1084,7 +1084,7 @@
 	struct clk_gate *gate = NULL;
 	struct clk_fixed_factor *fix_factor;
 	struct clk_divider *divider;
-	void *reg;
+	void __iomem *reg;
 	int i = 0;
 	int flags, clkflags;