kernel: Move to Linux v5.4.13-openpower1

PowerPC releated changes:

 powerpc/powernv: Disable native PCIe port management
 powerpc/spinlocks: Include correct header for static key
 powerpc/vcpu: Assume dedicated processors as non-preempt
 powerpc: Ensure that swiotlb buffer is allocated from low memory
 powerpc/pmem: Fix kernel crash due to wrong range value usage in flush_dcache_range
 powerpc/mm: Mark get_slice_psize() & slice_addr_is_low() as notrace
 powerpc: Chunk calls to flush_dcache_range in arch_*_memory
 mm/memory_hotplug: shrink zones when offlining memory
 powerpc: Fix __clear_user() with KUAP enabled
 Revert "powerpc/vcpu: Assume dedicated processors as non-preempt"
 libfdt: define INT32_MAX and UINT32_MAX in libfdt_env.h
 powerpc: Don't add -mabi= flags when building with Clang
 powerpc/fixmap: Use __fix_to_virt() instead of fix_to_virt()
 powerpc/book3s/mm: Update Oops message to print the correct translation in use
 powerpc/eeh: differentiate duplicate detection message
 powerpc/security: Fix wrong message when RFI Flush is disable
 powerpc/pseries/cmm: Implement release() function for sysfs device
 powerpc/book3s64/hash: Add cond_resched to avoid soft lockup warning
 powerpc/security/book3s64: Report L1TF status in sysfs
 powerpc/tools: Don't quote $objdump in scripts
 powerpc/pseries: Don't fail hash page table insert for bolted mapping
 powerpc/pseries: Mark accumulate_stolen_time() as notrace
 powerpc/papr_scm: Fix an off-by-one check in papr_scm_meta_{get, set}

Signed-off-by: Joel Stanley <joel@jms.id.au>
diff --git a/openpower/linux/0001-xhci-Reset-controller-on-xhci-shutdown.patch b/openpower/linux/0001-xhci-Reset-controller-on-xhci-shutdown.patch
index b42708b..e2dda15 100644
--- a/openpower/linux/0001-xhci-Reset-controller-on-xhci-shutdown.patch
+++ b/openpower/linux/0001-xhci-Reset-controller-on-xhci-shutdown.patch
@@ -1,7 +1,7 @@
 From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
 From: Brian King <brking@linux.vnet.ibm.com>
 Date: Wed, 25 Oct 2017 10:42:59 +1100
-Subject: [PATCH 1/4] xhci: Reset controller on xhci shutdown
+Subject: [PATCH 1/3] xhci: Reset controller on xhci shutdown
 
 Fixes kexec boot. Without a hard reset, some USB chips will fail to
 initialize in a kexec booted kernel.