moto_msm8960: Use xt897 specific ril/qmi libs for xt897

To fix operator names displayed in 'Available networks' dialog
moto_msm8960: xt897: ril: Fix EDGE technology reporting

Ignore the value of pref_data.is_current so that the egprs support
checking code is not skipped.
One byte patch: 000FE5AA: 01(true) => 02(not either true nor false)
Merge pull request #114 from razrqcom-dev-team/cm-11.0

1. Use xt897 specific ril/qmi libs to fix operator names 2. fix EDGE tech reporting on xt897