Bump Skiboot-p10 to v6.6-291-gc95c8a78e

Changes since  skiboot v6.6-284-gfa82b1a28:

Frederic Barrat (2):
      hw/phb5: Limit config space writes workaround to P10 DD1
      hw/phb5: 1 and 2B config read workaround on P10 DD1

Mahesh Salgaonkar (1):
      hmi: Add TOD bug workaround.

Ryan P Grimm (3):
      Merge pull request #62 from mahesh-salgaonkar/p10_work
      Merge pull request #63 from hegdevasant/topology-fix2
      Merge pull request #64 from frederic-barrat/config_read

Vasant Hegde (1):
      phys/P10: Use topology index to get lpc phys mapping

----------------------------------------------------------------

 hdata/fsp.c    |  4 +++-
 hdata/hdata.h  |  1 +
 hdata/spira.c  | 28 ++++++++++++++++++++++++++++
 hw/chiptod.c   | 33 ++++++++++++++++++++++++++++++++-
 hw/phb4.c      | 51 +++++++++++++++++++++++++++++++++++++++++++++++----
 include/phb4.h |  1 +
 6 files changed, 112 insertions(+), 6 deletions(-)

Signed-off-by: Klaus Heinrich Kiwi <klaus@linux.vnet.ibm.com>
diff --git a/openpower/package/skiboot/Config.in b/openpower/package/skiboot/Config.in
index 7236ce3..8f35b34 100644
--- a/openpower/package/skiboot/Config.in
+++ b/openpower/package/skiboot/Config.in
@@ -31,7 +31,7 @@
 
 config BR2_SKIBOOT_VERSION
 	string
-	default "v6.6-284-gfa82b1a28" if BR2_SKIBOOT_LATEST_VERSION
+	default "v6.6-291-gc95c8a78e" if BR2_SKIBOOT_LATEST_VERSION
 	default BR2_SKIBOOT_CUSTOM_VERSION_VALUE \
 		if BR2_SKIBOOT_CUSTOM_VERSION