libril: some blobs don't support CELL_INFO_LIST commands

RIL blobs that don't support CELL_INFO_LIST needs this ifndefs,
or rild keeps crashing with segfaults.

Change-Id: Ifcd717740db812ce9a2371fcb20ed61d07efffe1
Merge remote-tracking branch 'upstream/cm-10.2' into cm-10.2