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Currently dropbear does not run in background because devtmps and tmpfs
is not enabled by default. Enable devtmps and tmpfs to fix this issue.
Signed-off-by: Manjukumar Matha <manjukumar.harthikote-matha@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>