Update dfx-mgr MIRROR URL
Update dfx-mgr MIRROR URL

Update dfx-mgr MIRROR URL from acapd to dfx-mgr

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