buildman: Document the toolchain-prefix section
This is mentioned in examples but should have its own mention in the
'settings' documentation. Add it.
Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/tools/buildman/buildman.rst b/tools/buildman/buildman.rst
index 5eda01f..73a1313 100644
--- a/tools/buildman/buildman.rst
+++ b/tools/buildman/buildman.rst
@@ -933,6 +933,12 @@
For example powerpc-linux-gcc will be noted as a toolchain for 'powerpc'
and CROSS_COMPILE will be set to powerpc-linux- when using it.
+'[toolchain-prefix]' section
+ This can be used to provide the full toolchain-prefix for one or more
+ architectures. The full CROSS_COMPILE prefix must be provided. These
+ typically have a higher priority than matches in the '[toolchain]', due to
+ this prefix.
+
'[toolchain-alias]' section
This converts toolchain architecture names to U-Boot names. For example,
if an x86 toolchains is called i386-linux-gcc it will not normally be