Add iterations of connections and disconnections to
Babblesim test of Bluetooth Low Energy Central role
functionality by scanning for other devices and establishing
connection to upto 62 peripherals with a strong enough
signal.
Enable Auto PHY Update and Auto Data Length Update procedure
in the central_multilink sample.
Enable Auto PHY Update and Auto Data Length Update procedure
in the peripheral_identity sample. Fixed issues related to
rotation of identities after maximum number of connection
iterations are repeated.
Signed-off-by: Vinayak Kariappa Chettimada <vich@nordicsemi.no>