The kernel uses 3100 to indicate ISA version 3.1, not 3010, so
fix the Microwatt device tree to use 3100.
Signed-off-by: Paul Mackerras <paulus@ozlabs.org>
Signed-off-by: Madhavan Srinivasan <maddy@linux.ibm.com>
Link: https://patch.msgid.link/aB6taMDWvJwOl9xj@bruin