input: Separate out keyboard repeat/delay from init

It is inconvenient to have to specify the keyboard repeat and delay at
init time if it is not yet available, so move this into a separate
function.

Some drivers will want to do this when their keyboard init routine
is actually called.

Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/drivers/input/tegra-kbc.c b/drivers/input/tegra-kbc.c
index f164791..9a30942 100644
--- a/drivers/input/tegra-kbc.c
+++ b/drivers/input/tegra-kbc.c
@@ -321,6 +321,8 @@
 		debug("%s: No keyboard register found\n", __func__);
 		return -1;
 	}
+	input_set_delays(&config.input, KBC_REPEAT_DELAY_MS,
+			KBC_REPEAT_RATE_MS);
 
 	/* Decode the keyboard matrix information (16 rows, 8 columns) */
 	if (key_matrix_init(&config.matrix, 16, 8)) {
@@ -356,8 +358,7 @@
 {
 	struct stdio_dev dev;
 
-	if (input_init(&config.input, 0, KBC_REPEAT_DELAY_MS,
-			KBC_REPEAT_RATE_MS)) {
+	if (input_init(&config.input, 0)) {
 		debug("%s: Cannot set up input\n", __func__);
 		return -1;
 	}