Update Linux to v5.4.2

Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/arch/x86/xen/Makefile b/arch/x86/xen/Makefile
index d83cb54..084de77 100644
--- a/arch/x86/xen/Makefile
+++ b/arch/x86/xen/Makefile
@@ -1,6 +1,5 @@
 # SPDX-License-Identifier: GPL-2.0
 OBJECT_FILES_NON_STANDARD_xen-asm_$(BITS).o := y
-OBJECT_FILES_NON_STANDARD_xen-pvh.o := y
 
 ifdef CONFIG_FUNCTION_TRACER
 # Do not profile debug and lowlevel utilities
@@ -12,25 +11,45 @@
 # Make sure early boot has no stackprotector
 nostackp := $(call cc-option, -fno-stack-protector)
 CFLAGS_enlighten_pv.o		:= $(nostackp)
-CFLAGS_mmu_pv.o		:= $(nostackp)
+CFLAGS_mmu_pv.o			:= $(nostackp)
 
-obj-y		:= enlighten.o multicalls.o mmu.o irq.o \
-			time.o xen-asm.o xen-asm_$(BITS).o \
-			grant-table.o suspend.o platform-pci-unplug.o
+obj-y				+= enlighten.o
+obj-y				+= mmu.o
+obj-y				+= time.o
+obj-y				+= grant-table.o
+obj-y				+= suspend.o
 
-obj-$(CONFIG_XEN_PVHVM)		+= enlighten_hvm.o mmu_hvm.o suspend_hvm.o
-obj-$(CONFIG_XEN_PV)			+= setup.o apic.o pmu.o suspend_pv.o \
-						p2m.o enlighten_pv.o mmu_pv.o
-obj-$(CONFIG_XEN_PVH)			+= enlighten_pvh.o
+obj-$(CONFIG_XEN_PVHVM)		+= enlighten_hvm.o
+obj-$(CONFIG_XEN_PVHVM)		+= mmu_hvm.o
+obj-$(CONFIG_XEN_PVHVM)		+= suspend_hvm.o
+obj-$(CONFIG_XEN_PVHVM)		+= platform-pci-unplug.o
 
-obj-$(CONFIG_EVENT_TRACING) += trace.o
+obj-$(CONFIG_XEN_PV)		+= setup.o
+obj-$(CONFIG_XEN_PV)		+= apic.o
+obj-$(CONFIG_XEN_PV)		+= pmu.o
+obj-$(CONFIG_XEN_PV)		+= suspend_pv.o
+obj-$(CONFIG_XEN_PV)		+= p2m.o
+obj-$(CONFIG_XEN_PV)		+= enlighten_pv.o
+obj-$(CONFIG_XEN_PV)		+= mmu_pv.o
+obj-$(CONFIG_XEN_PV)		+= irq.o
+obj-$(CONFIG_XEN_PV)		+= multicalls.o
+obj-$(CONFIG_XEN_PV)		+= xen-asm.o
+obj-$(CONFIG_XEN_PV)		+= xen-asm_$(BITS).o
+
+obj-$(CONFIG_XEN_PVH)		+= enlighten_pvh.o
+
+obj-$(CONFIG_EVENT_TRACING)	+= trace.o
 
 obj-$(CONFIG_SMP)		+= smp.o
 obj-$(CONFIG_XEN_PV_SMP)  	+= smp_pv.o
 obj-$(CONFIG_XEN_PVHVM_SMP)  	+= smp_hvm.o
+
 obj-$(CONFIG_PARAVIRT_SPINLOCKS)+= spinlock.o
+
 obj-$(CONFIG_XEN_DEBUG_FS)	+= debugfs.o
+
 obj-$(CONFIG_XEN_DOM0)		+= vga.o
+
 obj-$(CONFIG_SWIOTLB_XEN)	+= pci-swiotlb-xen.o
+
 obj-$(CONFIG_XEN_EFI)		+= efi.o
-obj-$(CONFIG_XEN_PVH)	 	+= xen-pvh.o