sdfec: remove dependency on libmetal
sdfec: remove dependency on libmetal

The patch redirects sdfec to the latest example sdfec code
which excludes libmetal.

Signed-off-by: Dragan Cvetic <c2bd038a3ed1859d2aeb4a00351798c5c9428ca5@xilinx.com>
Signed-off-by: Sai Hari Chandana Kalluri <dcd6f85a7bffd89d026445db0f5113d6d436d06a@xilinx.com>

Xilinx/meta-petalinux,Xilinx/meta-petalinux,Xilinx/meta-petalinux,Xilinx/meta-petalinux,Xilinx/meta-petalinux,Xilinx/meta-petalinux