meta-ibm: local.conf.sample: add other machines

Do what poky does and add a (commented out) MACHINE entry for each
supported machine.  MACHINE=witherspoon remains the default.

This makes is clear to anyone looking at local.conf.sample what machines
are supported by the layer.

Change-Id: I2875d6dd6acfd7fb46671d06aeed482c73d9fa27
Signed-off-by: Brad Bishop <bradleyb@fuzziesquirrel.com>
1 file changed