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_stm32f.c b/drivers/clk/clk_stm32f.c
index e7c26db..ed76601 100644
--- a/drivers/clk/clk_stm32f.c
+++ b/drivers/clk/clk_stm32f.c
@@ -703,7 +703,7 @@
 	dev_dbg(clk->dev, "clk=%p\n", clk);
 
 	if (args->args_count != 2) {
-		dev_dbg(clk->dev, "Invaild args_count: %d\n", args->args_count);
+		dev_dbg(clk->dev, "Invalid args_count: %d\n", args->args_count);
 		return -EINVAL;
 	}