mmc: sdhci-esdhc-imx: get rid of the uses of cpu_is_mx()

The patch removes all the uses of cpu_is_mx().  Instead, it utilizes
platform_device_id to distinguish the esdhc differences among SoCs.

Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Cc: Wolfram Sang <w.sang@pengutronix.de>
Cc: Chris Ball <cjb@laptop.org>
Acked-by: Grant Likely <grant.likely@secretlab.ca>
Acked-by: Chris Ball <cjb@laptop.org>
diff --git a/arch/arm/mach-mx5/clock-mx51-mx53.c b/arch/arm/mach-mx5/clock-mx51-mx53.c
index 76e450b..e3d3eb5 100644
--- a/arch/arm/mach-mx5/clock-mx51-mx53.c
+++ b/arch/arm/mach-mx5/clock-mx51-mx53.c
@@ -1456,10 +1456,10 @@
 	_REGISTER_CLOCK("imx51-ecspi.1", NULL, ecspi2_clk)
 	/* i.mx51 has the i.mx35 type cspi */
 	_REGISTER_CLOCK("imx35-cspi.0", NULL, cspi_clk)
-	_REGISTER_CLOCK("sdhci-esdhc-imx.0", NULL, esdhc1_clk)
-	_REGISTER_CLOCK("sdhci-esdhc-imx.1", NULL, esdhc2_clk)
-	_REGISTER_CLOCK("sdhci-esdhc-imx.2", NULL, esdhc3_clk)
-	_REGISTER_CLOCK("sdhci-esdhc-imx.3", NULL, esdhc4_clk)
+	_REGISTER_CLOCK("sdhci-esdhc-imx51.0", NULL, esdhc1_clk)
+	_REGISTER_CLOCK("sdhci-esdhc-imx51.1", NULL, esdhc2_clk)
+	_REGISTER_CLOCK("sdhci-esdhc-imx51.2", NULL, esdhc3_clk)
+	_REGISTER_CLOCK("sdhci-esdhc-imx51.3", NULL, esdhc4_clk)
 	_REGISTER_CLOCK(NULL, "cpu_clk", cpu_clk)
 	_REGISTER_CLOCK(NULL, "iim_clk", iim_clk)
 	_REGISTER_CLOCK("imx2-wdt.0", NULL, dummy_clk)
@@ -1485,15 +1485,15 @@
 	_REGISTER_CLOCK("imx-i2c.0", NULL, i2c1_clk)
 	_REGISTER_CLOCK("imx-i2c.1", NULL, i2c2_clk)
 	_REGISTER_CLOCK("imx-i2c.2", NULL, i2c3_mx53_clk)
-	_REGISTER_CLOCK("sdhci-esdhc-imx.0", NULL, esdhc1_clk)
-	_REGISTER_CLOCK("sdhci-esdhc-imx.1", NULL, esdhc2_mx53_clk)
-	_REGISTER_CLOCK("sdhci-esdhc-imx.2", NULL, esdhc3_mx53_clk)
-	_REGISTER_CLOCK("sdhci-esdhc-imx.3", NULL, esdhc4_mx53_clk)
 	/* i.mx53 has the i.mx51 type ecspi */
 	_REGISTER_CLOCK("imx51-ecspi.0", NULL, ecspi1_clk)
 	_REGISTER_CLOCK("imx51-ecspi.1", NULL, ecspi2_clk)
 	/* i.mx53 has the i.mx25 type cspi */
 	_REGISTER_CLOCK("imx35-cspi.0", NULL, cspi_clk)
+	_REGISTER_CLOCK("sdhci-esdhc-imx53.0", NULL, esdhc1_clk)
+	_REGISTER_CLOCK("sdhci-esdhc-imx53.1", NULL, esdhc2_mx53_clk)
+	_REGISTER_CLOCK("sdhci-esdhc-imx53.2", NULL, esdhc3_mx53_clk)
+	_REGISTER_CLOCK("sdhci-esdhc-imx53.3", NULL, esdhc4_mx53_clk)
 	_REGISTER_CLOCK("imx2-wdt.0", NULL, dummy_clk)
 	_REGISTER_CLOCK("imx2-wdt.1", NULL, dummy_clk)
 	_REGISTER_CLOCK("imx-sdma", NULL, sdma_clk)