nios2: Remove <common.h> and add needed includes

Remove <common.h> from all nios2 architecture files and when needed add
missing include files directly.

Signed-off-by: Tom Rini <trini@konsulko.com>

arch/nios2/cpu/cpu.c

@@ -4,7 +4,7 @@
  * Scott McNutt <smcnutt@psyent.com>
  */
 
-#include <common.h>
+#include <config.h>
 #include <command.h>
 #include <cpu.h>
 #include <cpu_func.h>

arch/nios2/cpu/interrupts.c

@@ -7,7 +7,6 @@
  * Scott McNutt <smcnutt@psyent.com>
  */
 
-#include <common.h>
 #include <command.h>
 #include <irq_func.h>
 #include <asm/nios2.h>

arch/nios2/cpu/traps.c

@@ -4,8 +4,8 @@
  * Scott McNutt <smcnutt@psyent.com>
  */
 
-#include <common.h>
 #include <hang.h>
+#include <stdio.h>
 #include <asm/ptrace.h>
 
 void trap_handler (struct pt_regs *regs)

arch/nios2/lib/bootm.c

@@ -4,7 +4,6 @@
  * Scott McNutt <smcnutt@psyent.com>
  */
 
-#include <common.h>
 #include <bootm.h>
 #include <cpu_func.h>
 #include <env.h>

arch/nios2/lib/cache.c

@@ -5,7 +5,6 @@
  * Implemented by fredrik.markstrom@gmail.com and ivarholmqvist@gmail.com
  */
 
-#include <common.h>
 #include <cpu_func.h>
 #include <asm/cache.h>
 #include <asm/global_data.h>