Bump Skiboot p10 to latest level

Changes since commit b1f44aa:

Nicholas Piggin (1):
      Fix sreset for P10

Ryan P Grimm (2):
      Merge pull request #33 from michael-neuling/p10-sreset
      Merge pull request #32 from hegdevasant/denali

Vasant Hegde (2):
      Add Denali platform support
      fsp-psi: Add P10 TCE mapping support

Signed-off-by: Klaus Heinrich Kiwi <klaus@linux.vnet.ibm.com>

----------------------------------------------------------------
 core/direct-controls.c | 8 ++++----
 hw/fsp/fsp-psi.c       | 1 +
 platforms/ibm-fsp/zz.c | 6 ++++++
 3 files changed, 11 insertions(+), 4 deletions(-)
diff --git a/openpower/configs/rainier_defconfig b/openpower/configs/rainier_defconfig
index 81f5f5c..9697126 100644
--- a/openpower/configs/rainier_defconfig
+++ b/openpower/configs/rainier_defconfig
@@ -25,7 +25,7 @@
 BR2_LINUX_KERNEL_NEEDS_HOST_OPENSSL=y
 BR2_PACKAGE_SKIBOOT=y
 BR2_SKIBOOT_CUSTOM_VERSION=y
-BR2_SKIBOOT_CUSTOM_VERSION_VALUE="b1f44aa2a9bc8f8acb1a3f02e0579370c8f8459a"
+BR2_SKIBOOT_CUSTOM_VERSION_VALUE="a4a3ede812e032ec118d7735d294bdd14a51739f"
 BR2_SKIBOOT_CUSTOM_GIT=y
 BR2_SKIBOOT_CUSTOM_REPO_URL="git@github.ibm.com:p10/skiboot.git"
 BR2_PACKAGE_BUSYBOX_CONFIG_FRAGMENT_FILES="$(BR2_EXTERNAL_OP_BUILD_PATH)/configs/busybox.fragment"