[RILMODEM] ipv6 support

Signed-off-by: Jarko Poutiainen <Jarko.Poutiainen@oss.tieto.com>
[GRIL] in reply parse all datacall settings

Signed-off-by: Jarko Poutiainen <Jarko.Poutiainen@oss.tieto.com>
[RILMODEM] gprs dual mode support

Signed-off-by: Jarko Poutiainen <Jarko.Poutiainen@oss.tieto.com>
[GRIL] use glib to split string to array

Signed-off-by: Jarko Poutiainen <Jarko.Poutiainen@oss.tieto.com>
[RILMODEM] use glib to split string to array and some style fixes

Signed-off-by: Jarko Poutiainen <Jarko.Poutiainen@oss.tieto.com>
Merge pull request #267 from jpoutiai/ipv6

Ipv6