nimble/ll: Verify hop increment in CONNECT_IND
nimble/ll: Verify hop increment in CONNECT_IND

We should ignore CONNECT_IND with invalid hop increment value.

This fixes LL/DDI/ADV/BI-07-C.

apache/mynewt-nimble,apache/mynewt-nimble,apache/mynewt-nimble,apache/mynewt-nimble,apache/mynewt-nimble