petalinux.conf: Add lttng and perf support
petalinux.conf: Add lttng and perf support

All generic machine use linux-xlnx as kernel, we can renable building
perf and lttng

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