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/subprojects/phosphor-logging.wrap b/subprojects/phosphor-logging.wrap
new file mode 100644
index 0000000..6876a6e
--- /dev/null
+++ b/subprojects/phosphor-logging.wrap
@@ -0,0 +1,6 @@
+[wrap-git]
+url = https://github.com/openbmc/phosphor-logging
+revision = HEAD
+
+[provide]
+phosphor-logging = phosphor_logging_dep