Mambo defconfigs: disable not needed OpenPOWER packages

Signed-off-by: Stewart Smith <stewart@linux.vnet.ibm.com>
diff --git a/openpower/configs/openpower_p9_mambo_defconfig b/openpower/configs/openpower_p9_mambo_defconfig
index b0277cb..ef87e24 100644
--- a/openpower/configs/openpower_p9_mambo_defconfig
+++ b/openpower/configs/openpower_p9_mambo_defconfig
@@ -37,13 +37,17 @@
 BR2_TARGET_ROOTFS_INITRAMFS=y
 BR2_OPENPOWER_PLATFORM=y
 BR2_OPENPOWER_POWER9=y
+# BR2_PACKAGE_HOST_OPENPOWER_FFS is not set
 # BR2_PACKAGE_HOSTBOOT is not set
 # BR2_PACKAGE_HOSTBOOT_BINARIES is not set
 # BR2_PACKAGE_MACHINE_XML is not set
 # BR2_PACKAGE_OPENPOWER_PNOR is not set
 BR2_OPENPOWER_CONFIG_NAME="openpower-mambo-p9"
 BR2_PACKAGE_PETITBOOT=y
+# BR2_PACKAGE_HOST_P8_PORE_BINUTILS is not set
 # BR2_PACKAGE_OCC is not set
+# BR2_PACKAGE_CAPP_UCODE is not set
+# BR2_PACKAGE_HOST_PPE42_BINUTILS is not set
+# BR2_PACKAGE_HOST_PPE42_GCC is not set
 # BR2_PACKAGE_IMA_CATALOG is not set
-# BR2_OPENPOWER_MACHINE_XML_GITHUB_PROJECT is not set
-
+# BR2_PACKAGE_SBE is not set