[PATCH] Add information on enabling sound on the MPC8641 HPCN

[Timur Tabi]

Add a comment to the DTS file for the MPC8641 HPCN describing a wiring change
needed to get sound working on this board.

Signed-off-by: Timur Tabi <timur at freescale.com>
---

For a two-line comment, I thought the DTS would be the best place to put this
information.

 arch/powerpc/boot/dts/mpc8641_hpcn.dts |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)

diff --git a/arch/powerpc/boot/dts/mpc8641_hpcn.dts b/arch/powerpc/boot/dts/mpc8641_hpcn.dts
index 86fc228..08f78a6 100644
--- a/arch/powerpc/boot/dts/mpc8641_hpcn.dts
+++ b/arch/powerpc/boot/dts/mpc8641_hpcn.dts
@@ -7,6 +7,9 @@
  * under  the terms of  the GNU General  Public License as published by the
  * Free Software Foundation;  either version 2 of the  License, or (at your
  * option) any later version.
+ *
+ * On some revisions of this board, C29 of the Uli M1575 must be connected
+ * to ground (e.g. ground of resistor R353) in order to enable sound.
  */
 
 
-- 
1.5.2.4