s4-common: set the bootloader msg offset
HTC offsets the bootloader message to 0x800 (2048) in /misc. This
prevents overwriting other stored variables in misc, such as the most
recently installed stock OS version.
Code-Review+2: Matt Mower <mowerm@gmail.com>
Verified+1: Matt Mower <mowerm@gmail.com>
Submitted-by: Matt Mower <mowerm@gmail.com>
Submitted-at: Wed, 16 Jul 2014 06:23:20 +0000
Reviewed-on: http://review.cyanogenmod.org/68260
Project: CyanogenMod/android_device_htc_s4-common
Branch: refs/heads/cm-11.0

Change-Id: Id6acdd784106ab6ecbeb185b00d07ffc10844a96