Updated to v4.4.1 kernel headers.

Small modifications needed to allow compilation with the new headers:

- Manually modify bionic/libc/kernel/uapi/asm-mips/asm/siginfo.h to
  remove the uapi from the include.
- PR_XXX defines are now available for mips, so remove the definition
  from linker_mips.cpp.

Bug: 23789423
Change-Id: I6dc8a03b012426d3a937db15cb24d3a50fab5a8c
diff --git a/libc/kernel/uapi/linux/fuse.h b/libc/kernel/uapi/linux/fuse.h
index 4f0d6d3..f98296c 100644
--- a/libc/kernel/uapi/linux/fuse.h
+++ b/libc/kernel/uapi/linux/fuse.h
@@ -587,4 +587,5 @@
   uint64_t dummy4;
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 };
+#define FUSE_DEV_IOC_CLONE _IOR(229, 0, uint32_t)
 #endif