Convert CONFIG_ESDHC_DETECT_QUIRK to Kconfig

This converts the following to Kconfig:
   CONFIG_ESDHC_DETECT_QUIRK

Signed-off-by: Tom Rini <trini@konsulko.com>
diff --git a/drivers/mmc/Kconfig b/drivers/mmc/Kconfig
index 5a87db6..53a6b00 100644
--- a/drivers/mmc/Kconfig
+++ b/drivers/mmc/Kconfig
@@ -844,6 +844,10 @@
 	depends on FSL_ESDHC
 	default 1
 
+config ESDHC_DETECT_QUIRK
+	bool "QIXIS-based eSDHC quirk detection"
+	depends on FSL_ESDHC && FSL_QIXIS
+
 config FSL_ESDHC_IMX
 	bool "Freescale/NXP i.MX eSDHC controller support"
 	help
diff --git a/drivers/mmc/fsl_esdhc.c b/drivers/mmc/fsl_esdhc.c
index 4e7bfdf..b49a7b4 100644
--- a/drivers/mmc/fsl_esdhc.c
+++ b/drivers/mmc/fsl_esdhc.c
@@ -30,6 +30,7 @@
 #include <linux/iopoll.h>
 #include <linux/dma-mapping.h>
 #include <sdhci.h>
+#include "../../board/freescale/common/qixis.h"
 
 DECLARE_GLOBAL_DATA_PTR;
 
@@ -773,7 +774,7 @@
 	struct fsl_esdhc *regs = priv->esdhc_regs;
 
 #ifdef CONFIG_ESDHC_DETECT_QUIRK
-	if (CONFIG_ESDHC_DETECT_QUIRK)
+	if (qixis_esdhc_detect_quirk())
 		return 1;
 #endif
 	if (esdhc_read32(&regs->prsstat) & PRSSTAT_CINS)