mmc: sdhci: Move ZYNQ_HISPD_BROKEN to Kconfig

This patch moves CONFIG_ZYNQ_HISPD_BROKEN to Kconfig

Signed-off-by: Siva Durga Prasad Paladugu <siva.durga.paladugu@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
diff --git a/drivers/mmc/Kconfig b/drivers/mmc/Kconfig
index 7361bca..2bc9d8d 100644
--- a/drivers/mmc/Kconfig
+++ b/drivers/mmc/Kconfig
@@ -634,6 +634,12 @@
 	help
 	  Set the minimum frequency of the controller.
 
+config ZYNQ_HISPD_BROKEN
+	bool "High speed broken for Zynq SDHCI controller"
+	depends on MMC_SDHCI_ZYNQ
+	help
+	  Set if high speed mode is broken.
+
 config MMC_SUNXI
 	bool "Allwinner sunxi SD/MMC Host Controller support"
 	depends on ARCH_SUNXI && !UART0_PORT_F