go-osarchmap.bbclass: Fix error during go-native
go-osarchmap.bbclass: Fix error during go-native

The entire class content has to be copied to ensure everything is
intact. This patch copies the go-osarchmap.bbclass and changes the
error to warning message

Signed-off-by: Manjukumar Matha <4c64a17569570cb9f1048973bce031c402b55312@xilinx.com>

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