switch Packet references to Equinix Metal

Signed-off-by: Avi Deitcher <avi@deitcher.net>

examples/platform-equinixmetal.arm64.yml

@@ -1,5 +1,5 @@
-# This YAML snippet is to be used in conjunction with packet.yml to
-# build a arm64 image for packet.net. It adds a modprobe of the NIC
+# This YAML snippet is to be used in conjunction with equinixmetal.yml to
+# build a arm64 image for Equinix Metal. It adds a modprobe of the NIC
 # driver and overrides the kernel section to disable prepending the
 # Intel CPU microcode to the initrd. If writing a YAML specifically
 # for arm64 then the 'ucode' line in the kernel section can be left

examples/platform-equinixmetal.yml

@@ -19,7 +19,7 @@ onboot:
     command: ["/sbin/dhcpcd", "--nobackground", "-f", "/dhcpcd.conf", "-1"]
   - name: metadata
     image: linuxkit/metadata:b082f1bf97a9034d1e4c0e36a5d2923f4e58f540
-    command: ["/usr/bin/metadata", "packet"]
+    command: ["/usr/bin/metadata", "equinixmetal"]
 services:
   - name: rngd
     image: linuxkit/rngd:cdb919e4aee49fed0bf6075f0a104037cba83c39