[IPV6] ADDRCONF: Allow user-space to specify address lifetime
[IPV6] ADDRCONF: Allow user-space to specify address lifetime

Based on MIPL2 kernel patch.

Signed-off-by: Noriaki TAKAMIYA <59d9fcde8b0ac42d7ee16bc2fd34024b14e8b06e@po.ntts.co.jp>
Signed-off-by: YOSHIFUJI Hideaki <948b80da4254122ea1e8973dd9930d46b7654cf3@linux-ipv6.org>

TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,KristFoundation/Programs