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: I5a946b39aac7fc99b009c0a4abda681e8dd7fcca
diff --git a/meson.build b/meson.build
index dc663d2..0c7f34c 100644
--- a/meson.build
+++ b/meson.build
@@ -12,7 +12,7 @@
 cpp_args = []
 
 deps = [
-  dependency('sdbusplus', fallback: ['sdbusplus', 'sdbusplus_dep']),
+  dependency('sdbusplus'),
   dependency('systemd'),
 ]
 
@@ -31,9 +31,7 @@
 if get_option('send-to-logger')
   cpp_args += '-DSEL_LOGGER_SEND_TO_LOGGING_SERVICE'
 
-  deps += dependency(
-   'phosphor-logging',
-   fallback: ['phosphor-logging', 'phosphor_logging_dep'])
+  deps += dependency('phosphor-logging')
 endif
 if get_option('clears-sel')
   cpp_args += '-DSEL_LOGGER_CLEARS_SEL'