base-files: enable BPF JIT kallsyms by default

Set net.core.bpf_jit_kallsyms=1 in /etc/sysctl.d/10-default.conf.

For privileged users, this exports addresses of JIT-compiled programs to
appear in /proc/kallsyms when present, allowing their use for debugging
and in traces.

Signed-off-by: Tony Ambardar <itugrok@yahoo.com>
(cherry picked from commit b3aaede2a7)

package/base-files/files/etc/sysctl.d/10-default.conf

@@ -9,6 +9,7 @@ fs.protected_hardlinks=1
 fs.protected_symlinks=1
 
 net.core.bpf_jit_enable=1
+net.core.bpf_jit_kallsyms=1
 
 net.ipv4.conf.default.arp_ignore=1
 net.ipv4.conf.all.arp_ignore=1