various: sync package_ipk

Commit 605c37cb989a95c02633fcb93efb45102781b4bb switched the tree to use
'package_ipk' instead of 'package_rpm'.  Since then a few other systems
have gone in which used an old package setting.  Sync them to use IPK.

Signed-off-by: Patrick Williams <patrick@stwcx.xyz>
Change-Id: Iecd2f65871038d6139c87f910c7c7fb19a115067
diff --git a/meta-tyan/meta-s7106/conf/local.conf.sample b/meta-tyan/meta-s7106/conf/local.conf.sample
index ec1b849..1cfd495 100644
--- a/meta-tyan/meta-s7106/conf/local.conf.sample
+++ b/meta-tyan/meta-s7106/conf/local.conf.sample
@@ -1,6 +1,6 @@
 MACHINE ??= "s7106"
 DISTRO ?= "openbmc-phosphor"
-PACKAGE_CLASSES ?= "package_rpm"
+PACKAGE_CLASSES ?= "package_ipk"
 SANITY_TESTED_DISTROS:append ?= " *"
 EXTRA_IMAGE_FEATURES = "debug-tweaks"
 USER_CLASSES ?= "buildstats image-prelink"