[ARM] MXC: remove _clk suffix from clock names

The context makes it clear already that these are clocks, so there's
no need for such a suffix. This patch only changes the clocks actually
used in the tree. The remaining clocks are renamed in the subsequent
architecture specific patches.

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
diff --git a/arch/arm/plat-mxc/dma-mx1-mx2.c b/arch/arm/plat-mxc/dma-mx1-mx2.c
index 2905ec7..1d64287 100644
--- a/arch/arm/plat-mxc/dma-mx1-mx2.c
+++ b/arch/arm/plat-mxc/dma-mx1-mx2.c
@@ -802,7 +802,7 @@
 	int ret = 0;
 	int i;
 
-	dma_clk = clk_get(NULL, "dma_clk");
+	dma_clk = clk_get(NULL, "dma");
 	clk_enable(dma_clk);
 
 	/* reset DMA module */