ARM: zynq: Move USB/SD/MMC common FAT configs

Moved the USB/SD/MMC common FAT configs separately
to avoid redefinition warnings.

Signed-off-by: Siva Durga Prasad Paladugu <sivadur@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>

include/configs/zynq-common.h

@@ -83,18 +83,12 @@
 # define CONFIG_SDHCI
 # define CONFIG_ZYNQ_SDHCI
 # define CONFIG_CMD_MMC
-# define CONFIG_CMD_FAT
-# define CONFIG_SUPPORT_VFAT
-# define CONFIG_CMD_EXT2
-# define CONFIG_FAT_WRITE
-# define CONFIG_DOS_PARTITION
 #endif
 
 #ifdef CONFIG_ZYNQ_USB
 # define CONFIG_USB_EHCI
 # define CONFIG_CMD_USB
 # define CONFIG_USB_STORAGE
-# define CONFIG_SUPPORT_VFAT
 # define CONFIG_USB_EHCI_ZYNQ
 # define CONFIG_USB_ULPI_VIEWPORT
 # define CONFIG_USB_ULPI
@@ -102,6 +96,14 @@
 # define CONFIG_USB_MAX_CONTROLLER_COUNT	2
 #endif
 
+#if defined(CONFIG_ZYNQ_SDHCI) || defined(CONFIG_ZYNQ_USB)
+# define CONFIG_SUPPORT_VFAT
+# define CONFIG_CMD_FAT
+# define CONFIG_CMD_EXT2
+# define CONFIG_FAT_WRITE
+# define CONFIG_DOS_PARTITION
+#endif
+
 #define CONFIG_SYS_I2C_ZYNQ
 /* I2C */
 #if defined(CONFIG_SYS_I2C_ZYNQ)