ibm: palmetto: Set QB_MACHINE

Palmetto has a Qemu model called palmetto-bmc.

Tested: bitbake core-image-minimal && runqemu slirp nographic

Change-Id: Ieea6bd5805c36a6d18e22e5aa6e18290b8026283
Signed-off-by: Joel Stanley <joel@jms.id.au>
diff --git a/meta-ibm/meta-palmetto/conf/machine/palmetto.conf b/meta-ibm/meta-palmetto/conf/machine/palmetto.conf
index 5a92152..d34ed5a 100644
--- a/meta-ibm/meta-palmetto/conf/machine/palmetto.conf
+++ b/meta-ibm/meta-palmetto/conf/machine/palmetto.conf
@@ -20,3 +20,6 @@
 
 PREFERRED_PROVIDER_virtual/phosphor-led-manager-config-native = "palmetto-led-manager-config-native"
 PREFERRED_PROVIDER_virtual/openpower-occ-control-config-native = "palmetto-occ-control-config-native"
+
+QB_MACHINE:palmetto = "-machine palmetto-bmc"
+QB_MEM:palmetto = "-m 512"