kernel: Release Linux v4.4.92-openpower1

In particular pick up a fix in the NVMe driver:
6d1400b0 "nvme: protect against simultaneous shutdown invocations"

Signed-off-by: Samuel Mendoza-Jonas <sam@mendozajonas.com>
diff --git a/openpower/linux/0005-net-mlx5-Add-pci-shutdown-callback.patch b/openpower/linux/0005-net-mlx5-Add-pci-shutdown-callback.patch
index 9f676a4..56e3ae6 100644
--- a/openpower/linux/0005-net-mlx5-Add-pci-shutdown-callback.patch
+++ b/openpower/linux/0005-net-mlx5-Add-pci-shutdown-callback.patch
@@ -23,6 +23,7 @@
 Signed-off-by: Carol L Soto <clsoto@linux.vnet.ibm.com>
 (cherry picked from commit 5fc7197d3a256d9c5de3134870304b24892a4908)
 Signed-off-by: Joel Stanley <joel@jms.id.au>
+Signed-off-by: Samuel Mendoza-Jonas <sam@mendozajonas.com>
 ---
  drivers/net/ethernet/mellanox/mlx5/core/en_main.c | 15 +++++++++++++--
  drivers/net/ethernet/mellanox/mlx5/core/main.c    | 23 +++++++++++++++++++----