local.conf.sample: INHERIT plnx-mirrors by default in local.conf
local.conf.sample: INHERIT plnx-mirrors by default in local.conf

Include plnx-mirrors by default in local.conf so that do_fetch errors for
different packages dont fail. Ex xen-tools, tcf-agent etc.

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