recipes-rt: update README to match newer override syntax

The override syntax uses colon (':') instead of underscore ('_') since
Honister (3.4), so let's update the README to use that new syntax.

Cc: Quentin Schulz <foss+yocto@0leil.net>
Signed-off-by: Quentin Schulz <quentin.schulz@theobroma-systems.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

diff --git a/meta/recipes-rt/README b/meta/recipes-rt/README
index 7d7558de49d34992c5e55e45c8d1366b4e1b19ea..0144d68b70a902f4eaf6c9224a4986f30dc2f2fa 100644 (file)
--- a/meta/recipes-rt/README
+++ b/meta/recipes-rt/README
@@ -10,4 +10,4 @@ If you are creating a new BSP which should use linux-yocto-rt by default,
 use the line above in the $MACHINE.conf in your BSP layer, and specify the
 following in a linux-yocto-rt bbappend recipe:
 
-COMPATIBLE_MACHINE_$MACHINE = $MACHINE
+COMPATIBLE_MACHINE:$MACHINE = $MACHINE