[ARM] sys_mbind needs wrapping

sys_mbind is a 6-arg syscall, hence needs wrapping to save the
sixth argument.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

arch/arm/kernel/entry-common.S

@@ -269,6 +269,10 @@ sys_arm_fadvise64_64_wrapper:
 		str	r5, [sp, #4]		@ push r5 to stack
 		b	sys_arm_fadvise64_64
 
+sys_mbind_wrapper:
+		str	r5, [sp, #4]
+		b	sys_mbind
+
 /*
  * Note: off_4k (r5) is always units of 4K.  If we can't do the requested
  * offset, we return EINVAL.