Some keyboards need a longer timeout.

Signed-off-by: Stefan Reinauer <stepan@coresystems.de>

--- src/pc80/keyboard.c
+++ src/pc80/keyboard.c
@@ -60,8 +60,8 @@
 #define KBD_REPLY_ACK		0xFA    // Command ACK
 #define KBD_REPLY_RESEND	0xFE    // Command NACK, send command again
 
-/* Wait 200ms for keyboard controller answers */
-#define KBC_TIMEOUT_IN_MS 200
+/* Wait 400ms for keyboard controller answers */
+#define KBC_TIMEOUT_IN_MS 400
 
 static int kbc_input_buffer_empty(void)
 {
@@ -85,7 +85,7 @@
 	}
 
 	if (!timeout) {
-		printk_warning("Keyboard controller output buffer result timeout\n");
+		printk_info("Keyboard controller output buffer result timeout\n");
 	}
 	return !!timeout;
 }