arm: zynq: Remove OF_EMBED configuration for zc770 xm011 x16

Use appended dtb which is default option for zynq boards.

Signed-off-by: Michal Simek <michal.simek@xilinx.com>
diff --git a/configs/zynq_zc770_xm011_x16_defconfig b/configs/zynq_zc770_xm011_x16_defconfig
index 694dedd..884186a 100644
--- a/configs/zynq_zc770_xm011_x16_defconfig
+++ b/configs/zynq_zc770_xm011_x16_defconfig
@@ -29,7 +29,6 @@
 # CONFIG_SPL_DOS_PARTITION is not set
 # CONFIG_SPL_ISO_PARTITION is not set
 # CONFIG_SPL_EFI_PARTITION is not set
-CONFIG_OF_EMBED=y
 CONFIG_SPL_DM_SEQ_ALIAS=y
 CONFIG_FPGA_XILINX=y
 CONFIG_FPGA_ZYNQPL=y