powerpc: Add missing linux/{of.h,irqdomain.h} include directives

A bunch of PPC files are missing the inclusion of linux/of.h and
linux/irqdomain.h, relying on transitive inclusion from another
file.

As we are about to break this dependency, make sure these dependencies
are explicit.

Signed-off-by: Marc Zyngier <[e-mail]>

arch/powerpc/kernel/mce.c

···
 #include <linux/extable.h>
 #include <linux/ftrace.h>
 #include <linux/memblock.h>
+#include <linux/of.h>
 
 #include <asm/interrupt.h>
 #include <asm/machdep.h>

arch/powerpc/kvm/book3s_hv_uvmem.c

···
 #include <linux/migrate.h>
 #include <linux/kvm_host.h>
 #include <linux/ksm.h>
+#include <linux/of.h>
 #include <asm/ultravisor.h>
 #include <asm/mman.h>
 #include <asm/kvm_ppc.h>

arch/powerpc/kvm/book3s_xive.c

···
 #include <linux/percpu.h>
 #include <linux/cpumask.h>
 #include <linux/uaccess.h>
+#include <linux/irqdomain.h>
 #include <asm/kvm_book3s.h>
 #include <asm/kvm_ppc.h>
 #include <asm/hvcall.h>

arch/powerpc/kvm/book3s_xive_native.c

···
 #include <linux/spinlock.h>
 #include <linux/delay.h>
 #include <linux/file.h>
+#include <linux/irqdomain.h>
 #include <asm/uaccess.h>
 #include <asm/kvm_book3s.h>
 #include <asm/kvm_ppc.h>

arch/powerpc/mm/book3s64/radix_pgtable.c

···
 #include <linux/kernel.h>
 #include <linux/sched/mm.h>
 #include <linux/memblock.h>
+#include <linux/of.h>
 #include <linux/of_fdt.h>
 #include <linux/mm.h>
 #include <linux/hugetlb.h>

arch/powerpc/platforms/cell/pmu.c

···
  */
 
 #include <linux/interrupt.h>
+#include <linux/irqdomain.h>
 #include <linux/types.h>
 #include <linux/export.h>
 #include <asm/io.h>

arch/powerpc/platforms/embedded6xx/flipper-pic.c

···
 #include <linux/kernel.h>
 #include <linux/init.h>
 #include <linux/irq.h>
+#include <linux/irqdomain.h>
 #include <linux/of.h>
 #include <linux/of_address.h>
 #include <asm/io.h>

arch/powerpc/platforms/ps3/interrupt.c

···
 #include <linux/kernel.h>
 #include <linux/export.h>
 #include <linux/irq.h>
+#include <linux/irqdomain.h>
 
 #include <asm/machdep.h>
 #include <asm/udbg.h>

arch/powerpc/platforms/pseries/ibmebus.c

···
 #include <linux/kobject.h>
 #include <linux/dma-map-ops.h>
 #include <linux/interrupt.h>
+#include <linux/irqdomain.h>
 #include <linux/of.h>
 #include <linux/slab.h>
 #include <linux/stat.h>

arch/powerpc/sysdev/ehv_pic.c

···
 #include <linux/kernel.h>
 #include <linux/init.h>
 #include <linux/irq.h>
+#include <linux/irqdomain.h>
 #include <linux/smp.h>
 #include <linux/interrupt.h>
 #include <linux/slab.h>

arch/powerpc/sysdev/fsl_mpic_err.c

···
 #include <linux/irq.h>
 #include <linux/smp.h>
 #include <linux/interrupt.h>
+#include <linux/irqdomain.h>
 
 #include <asm/io.h>
 #include <asm/irq.h>

arch/powerpc/sysdev/xics/icp-hv.c

···
 #include <linux/irq.h>
 #include <linux/smp.h>
 #include <linux/interrupt.h>
+#include <linux/irqdomain.h>
 #include <linux/cpu.h>
 #include <linux/of.h>
 

arch/powerpc/sysdev/xics/icp-opal.c

···
 #include <linux/irq.h>
 #include <linux/smp.h>
 #include <linux/interrupt.h>
+#include <linux/irqdomain.h>
 #include <linux/cpu.h>
 #include <linux/of.h>