build: Add meson build

Change-Id: Id01834cf0b6580b7e6f6fa195b4a547fd03222ce
Signed-off-by: William A. Kennington III <wak@google.com>
diff --git a/subprojects/sdeventplus.wrap b/subprojects/sdeventplus.wrap
new file mode 100644
index 0000000..7503664
--- /dev/null
+++ b/subprojects/sdeventplus.wrap
@@ -0,0 +1,3 @@
+[wrap-git]
+url = https://github.com/openbmc/sdeventplus
+revision = HEAD