macchanger: Fix SRC_URI for multilibs

Signed-off-by: Mark Hatle <mark.hatle@windriver.com>
Signed-off-by: Joe MacDonald <joe.macdonald@windriver.com>
crda: Fix multilib SRC_URI reference

Signed-off-by: Mark Hatle <mark.hatle@windriver.com>
Signed-off-by: Joe MacDonald <joe.macdonald@windriver.com>
rp-pppoe: fix multilib SRC_URI reference

Signed-off-by: Mark Hatle <mark.hatle@windriver.com>
Signed-off-by: Joe MacDonald <joe.macdonald@windriver.com>