Disintegrate asm/system.h for Sparc

Disintegrate asm/system.h for Sparc.

Signed-off-by: David Howells <dhowells@redhat.com>
cc: sparclinux@vger.kernel.org
diff --git a/arch/sparc/include/asm/ptrace.h b/arch/sparc/include/asm/ptrace.h
index c00c3b5..ef8c7c0 100644
--- a/arch/sparc/include/asm/ptrace.h
+++ b/arch/sparc/include/asm/ptrace.h
@@ -98,6 +98,8 @@
  */
 #ifndef __ASSEMBLY__
 
+#include <linux/types.h>
+
 struct pt_regs {
 	unsigned long psr;
 	unsigned long pc;
@@ -163,7 +165,6 @@
 #ifdef __KERNEL__
 
 #include <linux/threads.h>
-#include <asm/system.h>
 
 static inline int pt_regs_trap_type(struct pt_regs *regs)
 {
@@ -240,8 +241,6 @@
 
 #ifdef __KERNEL__
 
-#include <asm/system.h>
-
 static inline bool pt_regs_is_syscall(struct pt_regs *regs)
 {
 	return (regs->psr & PSR_SYSCALL);