[S390] Fix build errors (fallout from system.h disintegration)

Signed-off-by: Heiko Carstens <h.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>

arch/s390/include/asm/cpu_mf.h

@@ -12,6 +12,8 @@
 #ifndef _ASM_S390_CPU_MF_H
 #define _ASM_S390_CPU_MF_H
 
+#include <asm/facility.h>
+
 #define CPU_MF_INT_SF_IAE	(1 << 31)	/* invalid entry address */
 #define CPU_MF_INT_SF_ISE	(1 << 30)	/* incorrect SDBT entry */
 #define CPU_MF_INT_SF_PRA	(1 << 29)	/* program request alert */

arch/s390/include/asm/mmu.h

 #ifndef __MMU_H
 #define __MMU_H
 
+#include <linux/errno.h>
+
 typedef struct {
 	atomic_t attach_count;
 	unsigned int flush_mm;

arch/s390/kernel/lgr.c

@@ -8,6 +8,7 @@
 #include <linux/module.h>
 #include <linux/timer.h>
 #include <linux/slab.h>
+#include <asm/facility.h>
 #include <asm/sysinfo.h>
 #include <asm/ebcdic.h>
 #include <asm/debug.h>

arch/s390/kernel/perf_cpum_cf.c

@@ -18,7 +18,7 @@
 #include <linux/notifier.h>
 #include <linux/init.h>
 #include <linux/export.h>
-#include <asm/system.h>
+#include <asm/ctl_reg.h>
 #include <asm/irq.h>
 #include <asm/cpu_mf.h>
 

arch/s390/kernel/perf_event.c

@@ -15,7 +15,6 @@
 #include <linux/perf_event.h>
 #include <linux/percpu.h>
 #include <linux/export.h>
-#include <asm/system.h>
 #include <asm/irq.h>
 #include <asm/cpu_mf.h>
 #include <asm/lowcore.h>

arch/s390/kernel/setup.c

@@ -50,6 +50,7 @@
 
 #include <asm/ipl.h>
 #include <asm/uaccess.h>
+#include <asm/facility.h>
 #include <asm/smp.h>
 #include <asm/mmu_context.h>
 #include <asm/cpcmd.h>

arch/s390/kernel/smp.c

@@ -32,6 +32,8 @@
 #include <linux/slab.h>
 #include <linux/crash_dump.h>
 #include <asm/asm-offsets.h>
+#include <asm/switch_to.h>
+#include <asm/facility.h>
 #include <asm/ipl.h>
 #include <asm/setup.h>
 #include <asm/irq.h>