kernel: Move to Linux v5.3.7-openpower1

This adds another backported patch to fix the lpfc driver:

    scsi: lpfc: Limit xri count for kdump environment

PowerPC releated changes:

 powerpc/eeh: Fix crash on converting OF node to edev
 powerpc: Make sure IPI handlers see data written by IPI senders
 powerpc: Restore correct DSCR in context switch
 powerpc: Fix DSCR inheritance in copy_thread()
 powerpc: Keep thread.dscr and thread.dscr_inherit in sync
 powerpc: Update DSCR on all CPUs when writing sysfs dscr_default
 powerpc/eeh: Check handle_eeh_events() return value
 powerpc: Add "memory" attribute for mfmsr()
 powerpc/ftrace: Fix assembly trampoline register usage

Signed-off-by: Joel Stanley <joel@jms.id.au>
diff --git a/openpower/linux/0005-powerpc-configs-add-FADump-support-in-petitboot-kern.patch b/openpower/linux/0005-powerpc-configs-add-FADump-support-in-petitboot-kern.patch
index 5223dd3..2983711 100644
--- a/openpower/linux/0005-powerpc-configs-add-FADump-support-in-petitboot-kern.patch
+++ b/openpower/linux/0005-powerpc-configs-add-FADump-support-in-petitboot-kern.patch
@@ -1,7 +1,7 @@
 From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
 From: Hari Bathini <hbathini@linux.ibm.com>
 Date: Wed, 9 Oct 2019 10:45:41 +0530
-Subject: [PATCH 5/7] powerpc/configs: add FADump support in petitboot kernel
+Subject: [PATCH 5/8] powerpc/configs: add FADump support in petitboot kernel
 
 FADump is supported on PowerNV platform. To fulfill this support, the
 petitboot kernel must be FADump aware. Enable config PRESERVE_FA_DUMP