Bluetooth: Host: Fix assert in L2CAP ECRED connection response
Bluetooth: Host: Fix assert in L2CAP ECRED connection response

In the case that the peer responds with fewer dcid values than the
number of scid values in the connection request, we would assert or read
past the end of the buffer.

Signed-off-by: Herman Berget <22d956f84c179c5c22821e4925fbb7a703726077@nordicsemi.no>

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