Rename x86 to x86_32 for clarity

Signed-off-by: Roger Pueyo Centelles <roger.pueyo@guifi.net>

qmp.profiles.conf

@@ -715,7 +715,7 @@ EXT4IMAGE=""
 }
 
 [ "$TPROFILE" == x86_32-generic ] && {
-  NAME=Generic_x86
+  NAME=Generic_x86-32
   ARCH=x86
   SUBARCH=generic
   PROFILE=generic