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_picozed_defconfig b/configs/zynq_picozed_defconfig
index 8002384..5416141 100644
--- a/configs/zynq_picozed_defconfig
+++ b/configs/zynq_picozed_defconfig
@@ -1,11 +1,10 @@
 CONFIG_ARM=y
-CONFIG_SYS_CONFIG_NAME="zynq-common"
 CONFIG_ARCH_ZYNQ=y
 CONFIG_DEFAULT_DEVICE_TREE="zynq-picozed"
 CONFIG_SPL=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
@@ -29,11 +28,10 @@
 CONFIG_ZYNQ_GEM=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"