[Skiboot] [PATCH] README: Reflect openpower_mambo_defconfig name change

[Reza Arbab]

The name of this op-build config has changed. Use the new name.

Signed-off-by: Reza Arbab <arbab at linux.ibm.com>
---
 README.md                | 2 +-
 external/mambo/README.md | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/README.md b/README.md
index 2d437655f58c..c6cdae5cd255 100644
--- a/README.md
+++ b/README.md
@@ -96,7 +96,7 @@ to run skiboot:
  qemu-system-ppc64 -M powernv -m 3G -nographic -L /path/to/skiboot/
 
 To run a boot-to-bootloader test you need a Linux kernel image 'zImage.epapr'.
-Build one using the `mambo_defconfig` config for op-build. See
+Build one using the `opal_defconfig` config for op-build. See
 https://github.com/open-power/op-build/ on how to build, or download one from
 https://openpower.xyz/job/openpower/job/openpower-op-build/.
 
diff --git a/external/mambo/README.md b/external/mambo/README.md
index 750a81e44e3c..a0bc4a0fddc9 100644
--- a/external/mambo/README.md
+++ b/external/mambo/README.md
@@ -31,7 +31,7 @@ using powernv_defconfig.
 If you use op-build to build a full set of OpenPower images, you’ll
 likely be able to extract skiboot, zImage.epapr (or vmlinux and
 rootfs.cpio.xz) from output/images. We suggest using the
-openpower_mambo_defconfig.
+opal_defconfig.
 
 ### Setup environment variables
 Setup environment variables to point to your images
-- 
1.8.3.1