stdplus: Add new dependencies

fmt is now used to format error message and span-lite is used for
supporting span processing.

(From meta-phosphor rev: 3bb4926caa0bb832a54748ccd539c9c2470b3e1a)

Change-Id: I486b7072b8c9b93155929718ec6f0de3b58f09ce
Signed-off-by: William A. Kennington III <wak@google.com>
Signed-off-by: Andrew Geissler <geissonator@yahoo.com>
diff --git a/meta-phosphor/recipes-extended/stdplus/stdplus_git.bb b/meta-phosphor/recipes-extended/stdplus/stdplus_git.bb
index 4c3822f..0a92028 100644
--- a/meta-phosphor/recipes-extended/stdplus/stdplus_git.bb
+++ b/meta-phosphor/recipes-extended/stdplus/stdplus_git.bb
@@ -8,6 +8,9 @@
 
 inherit meson pkgconfig
 
+DEPENDS += "fmt"
+DEPENDS += "span-lite"
+
 EXTRA_OEMESON = " \
         -Dexamples=false \
         -Dtests=disabled \