Qemu emulator requires at least 128MB of memory to boot on ppc64

The default nano and micro flavors need more memory to boot on
ppc64. New flavors are 128MB and 256MB, respectively.
Trailing spaces removed, again.

Change-Id: Ic6740bda959754380982e67f753876dc6d984685
diff --git a/lib/tempest b/lib/tempest
index 5ee4e8a..4400b31 100644
--- a/lib/tempest
+++ b/lib/tempest
@@ -147,12 +147,21 @@
     if  [[ -z "$DEFAULT_INSTANCE_TYPE" ]]; then
         available_flavors=$(nova flavor-list)
         if [[ ! ( $available_flavors =~ 'm1.nano' ) ]]; then
-            nova flavor-create m1.nano 42 64 0 1
+            if is_arch "ppc64"; then
+                # qemu needs at least 128MB of memory to boot on ppc64
+                nova flavor-create m1.nano 42 128 0 1
+            else
+                nova flavor-create m1.nano 42 64 0 1
+            fi
         fi
         flavor_ref=42
         boto_instance_type=m1.nano
         if [[ ! ( $available_flavors =~ 'm1.micro' ) ]]; then
-            nova flavor-create m1.micro 84 128 0 1
+            if is_arch "ppc64"; then
+                nova flavor-create m1.micro 84 256 0 1
+            else
+                nova flavor-create m1.micro 84 128 0 1
+            fi
         fi
         flavor_ref_alt=84
     else