kernel: Move to Linux v5.3.1-openpower1
This is the first v5.3 based kernel.
See https://kernelnewbies.org/Linux_5.3 for notable upstream changes
made for this release.
Signed-off-by: Joel Stanley <joel@jms.id.au>
diff --git a/doc/process/KernelTree.rst b/doc/process/KernelTree.rst
index 4ed0bdd..bdf383d 100644
--- a/doc/process/KernelTree.rst
+++ b/doc/process/KernelTree.rst
@@ -1,7 +1,7 @@
op-build Linux Kernel
=====================
-The skiroot/Petitboot kernel is currently based on the 5.1 series.
+The skiroot/Petitboot kernel is currently based on the 5.3 series.
Submitting a patch
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