mips: separate extable.h, switch module.h to it

more victims of indirect include chains - au1200fb
lasat/picvue_proc and watchdog/ath79_wdt

... as well as tb0219, spotted by Sudip Mukherjee
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

arch/mips/include/asm/extable.h

+#ifndef _ASM_EXTABLE_H
+#define _ASM_EXTABLE_H
+
+struct exception_table_entry
+{
+	unsigned long insn;
+	unsigned long nextinsn;
+};
+
+struct pt_regs;
+extern int fixup_exception(struct pt_regs *regs);
+
+#endif

arch/mips/include/asm/module.h

@@ -3,7 +3,7 @@
 
 #include <linux/list.h>
 #include <linux/elf.h>
-#include <asm/uaccess.h>
+#include <asm/extable.h>
 
 struct mod_arch_specific {
 	/* Data Bus Error exception tables */

arch/mips/include/asm/uaccess.h

@@ -16,6 +16,7 @@
 #include <linux/thread_info.h>
 #include <linux/string.h>
 #include <asm/asm-eva.h>
+#include <asm/extable.h>
 
 /*
  * The fs value determines whether argument validity checking should be
@@ -1485,12 +1486,4 @@ static inline long strnlen_user(const char __user *s, long n)
 	return res;
 }
 
-struct exception_table_entry
-{
-	unsigned long insn;
-	unsigned long nextinsn;
-};
-
-extern int fixup_exception(struct pt_regs *regs);
-
 #endif /* _ASM_UACCESS_H */

arch/mips/lasat/picvue_proc.c

@@ -16,6 +16,7 @@
 
 #include <linux/timer.h>
 #include <linux/mutex.h>
+#include <linux/uaccess.h>
 
 #include "picvue.h"
 

drivers/char/tb0219.c

@@ -21,6 +21,7 @@
 #include <linux/fs.h>
 #include <linux/init.h>
 #include <linux/module.h>
+#include <linux/uaccess.h>
 
 #include <asm/io.h>
 #include <asm/reboot.h>

drivers/video/fbdev/au1200fb.c

@@ -43,6 +43,7 @@
 #include <linux/ctype.h>
 #include <linux/dma-mapping.h>
 #include <linux/slab.h>
+#include <linux/uaccess.h>
 
 #include <asm/mach-au1x00/au1000.h>
 #include <asm/mach-au1x00/au1200fb.h>	/* platform_data */

drivers/watchdog/ath79_wdt.c

@@ -35,6 +35,7 @@
 #include <linux/err.h>
 #include <linux/of.h>
 #include <linux/of_platform.h>
+#include <linux/uaccess.h>
 
 #define DRIVER_NAME	"ath79-wdt"