ignition: support 'ami' OEM ID.

Signed-off-by: Mathieu Tortuyaux <[email protected]>

Author: tormath1

dracut/30ignition/ignition-generator

@@ -150,7 +150,7 @@ if [[ "${oem_id}" = "${oem_cmdline}" ]]; then
 fi
 
 # Ignition changed the platform name to "aws"
-if [ "${oem_cmdline}" = "ec2" ]; then
+if [ "${oem_cmdline}" = "ec2" ] || [ "${oem_cmdline}" = "ami" ]; then
   oem_cmdline="aws"
 fi