From 920314dfd05f40cbe8ad677ba733ff1f8814d93a Mon Sep 17 00:00:00 2001
From: Pranith Kumar <bobby.prani@gmail.com>
Date: Wed, 20 Aug 2014 12:55:45 -0400
Subject: [PATCH] serial: Fix build failure caused by missing header file

Fix build failure caused by missing header file:

drivers/tty/serial/nwpserial.c: In function 'wait_for_bits':
drivers/tty/serial/nwpserial.c:53:3: error: implicit declaration of function 'udelay' [-Werror=implicit-function-declaration]

Signed-off-by: Pranith Kumar <bobby.prani@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Reading git-format-patch failed