poky-ivi-systemd.conf: Add pam to DISTRO_FEATURES
poky-ivi-systemd.conf: Add pam to DISTRO_FEATURES

Without pam in DISTRO_FEATURES, libpam complains it
will not function correctly so we add that.

Signed-off-by: Florin Sarbu <486fccc676e3540ad3d2f2e342359b3d1a717bab@windriver.com>

MentorEmbedded/meta-ivi