linux: update to v4.2.5-openpower1

 - Rebased on upstream stable release v4.2.5

Signed-off-by: Joel Stanley <joel@jms.id.au>
diff --git a/openpower/linux/linux-0006-Revert-powerpc-Reject-binutils-2.24-when-building-li.patch b/openpower/linux/linux-0006-Revert-powerpc-Reject-binutils-2.24-when-building-li.patch
index 580f449..3968fbc 100644
--- a/openpower/linux/linux-0006-Revert-powerpc-Reject-binutils-2.24-when-building-li.patch
+++ b/openpower/linux/linux-0006-Revert-powerpc-Reject-binutils-2.24-when-building-li.patch
@@ -1,4 +1,4 @@
-From 910ade7272f5263f2a9bcc390ffee9e825516595 Mon Sep 17 00:00:00 2001
+From a24b6a40ae28997b8543b5912dbcb69be94c3e69 Mon Sep 17 00:00:00 2001
 From: Joel Stanley <joel@jms.id.au>
 Date: Fri, 11 Sep 2015 14:43:18 +0930
 Subject: [PATCH 06/17] Revert "powerpc: Reject binutils 2.24 when building