Switch to bitbake nodistro (#1658)

Since [1-6] nodistro have mostly the same as in poky-alt distro.

[1]
https://git.openembedded.org/openembedded-core/commit/?id=2e1e7c86064ce36580953650b27cca9ae7c269c4
[2]
https://git.openembedded.org/openembedded-core/commit/?id=175fcf9fad699dd122680d3f6961af9bf8487046
[3]
https://git.openembedded.org/openembedded-core/commit/?id=4c2d64c10a5b0437ab1ea04df22386f0f95124d1
[4]
https://git.openembedded.org/openembedded-core/commit/?id=03fc931bfe9ea3fa9f33553e6020cbc067b24291
[5]
https://git.openembedded.org/openembedded-core/commit/?id=722897f96d30e978b20e140419fb044d850f5c74
[6]
https://git.openembedded.org/openembedded-core/commit/?id=0b4061c5d50261f826d0edb4b478d2d305274b7c

Consequently discard the meta-yocto layer.

Author: ricardosalveti

ci/base.yml

@@ -3,7 +3,7 @@
 header:
   version: 14
 
-distro: poky-altcfg
+distro: nodistro
 
 defaults:
   repos:
@@ -22,11 +22,6 @@ repos:
     layers:
       .: disabled
 
-  meta-yocto:
-    url: https://git.yoctoproject.org/meta-yocto
-    layers:
-      meta-poky:
-
 local_conf_header:
   base: |
     CONF_VERSION = "2"
@@ -56,7 +51,7 @@ local_conf_header:
     IMAGE_CLASSES += "image_types_qcom"
     IMAGE_FSTYPES += "qcomflash"
   extra: |
-    DISTRO_FEATURES:append = " efi pni-names"
+    DISTRO_FEATURES:append = " efi pam pni-names"
     EXTRA_IMAGE_FEATURES = "allow-empty-password empty-root-password allow-root-login"
     IMAGE_ROOTFS_EXTRA_SPACE = "307200"
     WATCHDOG_RUNTIME_SEC:pn-systemd = "30"