Update external_libmocha-ipc to cm11

Without this change when building CM11 you get error about undeclared variable: SRS_GPS, SRS_GPS_SV_STATUS, SRS_GPS_STATUS...
http://pastebin.com/QxFabEnR
Merge pull request #1 from MateuszKrawczuk/patch-1

Update external_libmocha-ipc to cm11