build: Convert project to meson and C++20

Cleanedup all build warnings and updated the header to point to the
latest ipmid.

Change-Id: Ife89b51cda0137c8632fc24525efc131817e07b8
Signed-off-by: Willy Tu <wltu@google.com>
diff --git a/meson_options.txt b/meson_options.txt
new file mode 100644
index 0000000..edc2c52
--- /dev/null
+++ b/meson_options.txt
@@ -0,0 +1,6 @@
+option('tests', type: 'feature', description: 'Build tests')
+option('bic', type: 'feature', description: 'Enable bic handlers')
+option(
+  'host-instances',
+  type: 'string',
+  description: 'Host Instances')