drivers: avoid using aliases on drivers when OF_PLATDATA is enabled

After latest improvements on OF_PLATDATA struct names are generated
based on driver name instead of compatible strings. With this in mind,
using aliases in drivers are not longer needed.

This patch removes code that tried to handle these kind of aliases to
improve readability.

Signed-off-by: Walter Lozano <walter.lozano@collabora.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
diff --git a/drivers/mmc/mxsmmc.c b/drivers/mmc/mxsmmc.c
index d48050b..2b3a3a9 100644
--- a/drivers/mmc/mxsmmc.c
+++ b/drivers/mmc/mxsmmc.c
@@ -52,15 +52,9 @@
 #include <dm/read.h>
 #include <dt-structs.h>
 
-#ifdef CONFIG_MX28
-#define dtd_fsl_imx_mmc dtd_fsl_imx28_mmc
-#else /* CONFIG_MX23 */
-#define dtd_fsl_imx_mmc dtd_fsl_imx23_mmc
-#endif
-
 struct mxsmmc_platdata {
 #if CONFIG_IS_ENABLED(OF_PLATDATA)
-	struct dtd_fsl_imx_mmc dtplat;
+	struct dtd_fsl_imx23_mmc dtplat;
 #endif
 	struct mmc_config cfg;
 	struct mmc mmc;
@@ -582,7 +576,7 @@
 	debug("%s: probe\n", __func__);
 
 #if CONFIG_IS_ENABLED(OF_PLATDATA)
-	struct dtd_fsl_imx_mmc *dtplat = &plat->dtplat;
+	struct dtd_fsl_imx23_mmc *dtplat = &plat->dtplat;
 	struct phandle_1_arg *p1a = &dtplat->clocks[0];
 
 	priv->buswidth = dtplat->bus_width;