treewide: invaild -> invalid

Somewhere along the way, someone misspelt "invalid" and it got copied
everywhere. Fix it.

Signed-off-by: Sean Anderson <seanga2@gmail.com>
Reviewed-by: Alexander Dahl <ada@thorsis.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
diff --git a/drivers/clk/clk_versaclock.c b/drivers/clk/clk_versaclock.c
index 578668b..89c8d02 100644
--- a/drivers/clk/clk_versaclock.c
+++ b/drivers/clk/clk_versaclock.c
@@ -627,7 +627,7 @@
 	unsigned int idx = args->args[0];
 
 	if (args->args_count != 1) {
-		debug("Invaild args_count: %d\n", args->args_count);
+		debug("Invalid args_count: %d\n", args->args_count);
 		return -EINVAL;
 	}