omap4-common: edit RIL to use 255.255.255.252 as netmask

the previous value of 255.255.255.255 doesn't work on android 5.0
Merge pull request #122 from stargo/cm-12.0

omap4-common: edit RIL to use 255.255.255.252 as netmask
Merge pull request #3 from TheMuppets/cm-12.0

Cm 12.0