meson: simplify dependencies

Leverage wrapfile `[provide]` directives to simplify the dependency
searching in the meson.build.

Signed-off-by: Patrick Williams <patrick@stwcx.xyz>
Change-Id: Id97da97371cf4b8f526f0cc1ca4e4151c466fadf
diff --git a/subprojects/CLI11.wrap b/subprojects/CLI11.wrap
new file mode 100644
index 0000000..2e5a95b
--- /dev/null
+++ b/subprojects/CLI11.wrap
@@ -0,0 +1,6 @@
+[wrap-git]
+url = https://github.com/CLIUtils/CLI11.git
+revision = HEAD
+
+[provide]
+CLI11 = CLI11_dep