bsp,ci: Switch to poky distro

We can now use the standard poky distro configured to be small by
switching distrobution and using the standard minimal image
from poky.
To do this we also remove and image configuration options from the
machine config and apply them in the kas files.

Signed-off-by: Drew Reed <Drew.Reed@arm.com>

ci/corstone1000-common.yml

@@ -3,13 +3,40 @@ header:
   includes:
     - ci/base.yml
     - ci/meta-openembedded.yml
-    - ci/poky-tiny.yml
     - ci/meta-secure-core.yml
 
 local_conf_header:
-    extrapackages: |
+  extrapackages: |
     # Intentionally blank to prevent perf from being added to the image in base.yml
 
+  distrosetup: |
+    DISTRO_FEATURES = "usbhost ipv4"
+
+  initramfsetup: |
+    # Telling the build system which image is responsible of the generation of the initramfs rootfs
+    INITRAMFS_IMAGE_BUNDLE = "1"
+    INITRAMFS_IMAGE ?= "core-image-minimal"
+    IMAGE_FSTYPES = "${INITRAMFS_FSTYPES}"
+    IMAGE_NAME_SUFFIX = ""
+
+    # enable mdev/busybox for init
+    INIT_MANAGER = "mdev-busybox"
+    VIRTUAL-RUNTIME_init_manager = "busybox"
+
+    # prevent the kernel image from being included in the intramfs rootfs
+    PACKAGE_EXCLUDE += "kernel-image-*"
+    # Don't include kernel binary in rootfs /boot path
+    RRECOMMENDS:${KERNEL_PACKAGE_NAME}-base = ""
+
+    # Disable openssl in kmod to shrink the initramfs size
+    PACKAGECONFIG:remove:pn-kmod = "openssl"
+
+    # all optee packages
+    IMAGE_INSTALL += "optee-client"
+
+    # TS PSA API tests commands for crypto, its, ps and iat
+    IMAGE_INSTALL += "packagegroup-ts-tests-psa"
+
 target:
   - corstone1000-image
   - perf