all: Use stdplus::print over std::fprintf

Replacing `std::fprintf` with `stdplus::print`.
No logical change.

Tested: Buildable.
Signed-off-by: Michael Shen <gpgpgp@google.com>
Change-Id: I7050885c13e33244a4128aa519d163fd5b725098
diff --git a/meson.build b/meson.build
index f68c882..407f257 100644
--- a/meson.build
+++ b/meson.build
@@ -57,6 +57,7 @@
     dependency('phosphor-dbus-interfaces'),
     dependency('phosphor-logging'),
     dependency('sdbusplus'),
+    dependency('stdplus'),
     bifurcation_dep,
   ])