arm64: zynqmp: Sync defconfigs with latest Kconfig layout

Sync defconfigs.

Signed-off-by: Michal Simek <michal.simek@xilinx.com>
diff --git a/configs/xilinx_zynqmp_zc1751_xm016_dc2_defconfig b/configs/xilinx_zynqmp_zc1751_xm016_dc2_defconfig
index 65fe29c..d710266 100644
--- a/configs/xilinx_zynqmp_zc1751_xm016_dc2_defconfig
+++ b/configs/xilinx_zynqmp_zc1751_xm016_dc2_defconfig
@@ -2,9 +2,9 @@
 CONFIG_ARCH_ZYNQMP=y
 CONFIG_SYS_TEXT_BASE=0x8000000
 CONFIG_SYS_MALLOC_F_LEN=0x8000
-# CONFIG_SPL_LIBDISK_SUPPORT is not set
 CONFIG_SPL=y
 # CONFIG_SPL_FAT_SUPPORT is not set
+# CONFIG_SPL_LIBDISK_SUPPORT is not set
 CONFIG_ZYNQMP_USB=y
 CONFIG_DEFAULT_DEVICE_TREE="zynqmp-zc1751-xm016-dc2"
 CONFIG_DEBUG_UART=y