Since prelink has been dropped

(From OE-Core rev: 3ea0f248acf60791a25f496e2aff06c68d218ba7)

Signed-off-by: Michael Opdenacker <michael.opdenacker@bootlin.com>
Signed-off-by: Luca Ceresoli <luca.ceresoli@bootlin.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>