ARM: OMAP2+: clock: add low-level support for regmap

Some of the TI clock providers will be converted to use syscon, thus
low-level regmap support is needed for the clock drivers also. This
patch adds this support, which can be enabled for individual drivers
in later patches.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
diff --git a/arch/arm/mach-omap2/cm_common.c b/arch/arm/mach-omap2/cm_common.c
index ff24fdf..23e8bce 100644
--- a/arch/arm/mach-omap2/cm_common.c
+++ b/arch/arm/mach-omap2/cm_common.c
@@ -361,7 +361,7 @@
 		if (data->flags & CM_NO_CLOCKS)
 			continue;
 
-		ret = omap2_clk_provider_init(np, data->index, data->mem);
+		ret = omap2_clk_provider_init(np, data->index, NULL, data->mem);
 		if (ret)
 			return ret;
 	}