ipu_common: Rename MXC_CCM_BASE

Rename MXC_CCM_BASE to CCM_BASE_ADDR as this is already defined for MX6.

Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
diff --git a/drivers/video/ipu_common.c b/drivers/video/ipu_common.c
index 7ef8742..84892dc 100644
--- a/drivers/video/ipu_common.c
+++ b/drivers/video/ipu_common.c
@@ -211,7 +211,7 @@
 static struct clk ipu_clk = {
 	.name = "ipu_clk",
 	.rate = 133000000,
-	.enable_reg = (u32 *)(MXC_CCM_BASE +
+	.enable_reg = (u32 *)(CCM_BASE_ADDR +
 		offsetof(struct mxc_ccm_reg, CCGR5)),
 	.enable_shift = MXC_CCM_CCGR5_CG5_OFFSET,
 	.enable = clk_ipu_enable,