zynqmp: Enable SDHCI0 options

Enable SDHCI0 for zynqmp.
Add empty gpio.h because of sdhci requirement.
Signed-off-by: NMichal Simek <michal.simek@xilinx.com>

arch/arm/include/asm/arch-zynqmp/gpio.h

+/*
+ * Copyright 2015 Xilinx, Inc.
+ *
+ * SPDX-License-Identifier:      GPL-2.0+
+ */
+
+#ifndef __ARCH_ZYNQMP_GPIO_H
+#define __ARCH_ZYNQMP_GPIO_H
+
+/* Empty file - sdhci requires this. */
+
+#endif

include/configs/xilinx_zynqmp.h

@@ -61,6 +61,8 @@
 #define CONFIG_SYS_BAUDRATE_TABLE \
 	{ 4800, 9600, 19200, 38400, 57600, 115200 }
 
+#define CONFIG_ZYNQ_SDHCI0
+
 /* Command line configuration */
 #define CONFIG_CMD_ENV
 #define CONFIG_CMD_EXT2