xilinx: Sync defconfigs with the latest Kconfig layout

Update Microblaze, Zynq and ZynqMP defconfigs to reflect
latest Kconfig changes.

Signed-off-by: Michal Simek <michal.simek@xilinx.com>
diff --git a/configs/zynq_zybo_defconfig b/configs/zynq_zybo_defconfig
index 679414a..4b85cdb 100644
--- a/configs/zynq_zybo_defconfig
+++ b/configs/zynq_zybo_defconfig
@@ -6,9 +6,9 @@
 CONFIG_FIT=y
 CONFIG_FIT_VERBOSE=y
 CONFIG_FIT_SIGNATURE=y
+CONFIG_SYS_NO_FLASH=y
 CONFIG_HUSH_PARSER=y
 CONFIG_SYS_PROMPT="Zynq> "
-CONFIG_SYS_NO_FLASH=y
 # CONFIG_CMD_IMLS is not set
 # CONFIG_CMD_FLASH is not set
 CONFIG_CMD_MMC=y
@@ -42,11 +42,10 @@
 CONFIG_ZYNQ_QSPI=y
 CONFIG_USB=y
 CONFIG_USB_EHCI_HCD=y
-CONFIG_USB_EHCI=y
 CONFIG_USB_ULPI_VIEWPORT=y
 CONFIG_USB_ULPI=y
-CONFIG_USB_GADGET=y
 CONFIG_USB_STORAGE=y
+CONFIG_USB_GADGET=y
 CONFIG_CI_UDC=y
 CONFIG_USB_GADGET_DOWNLOAD=y
 CONFIG_G_DNL_MANUFACTURER="Xilinx"