Merge pull request #478 from sandrine-bailleux/sb/mbed-tls-pedantic

Always build with '-pedantic'
diff --git a/drivers/console/console.S b/drivers/console/console.S
index 40a6db9..b772363 100644
--- a/drivers/console/console.S
+++ b/drivers/console/console.S
@@ -79,6 +79,7 @@
 	mov	x0, #0
 	adrp	x3, console_base
 	str	x0, [x3, :lo12:console_base]
+	ret
 endfunc console_uninit
 
 	/* ---------------------------------------------