Update kernel headers to v3.14.

Other changes:
- Modify update_all.py to skip ion header files when importing into aosp.
- Fix generate_uapi_headers.sh to handle imports from a linux-stable kernel.

Change-Id: I1ad81b9ccb063c21740f9875f2cc1238052cd4b3
diff --git a/libc/kernel/uapi/linux/elf-em.h b/libc/kernel/uapi/linux/elf-em.h
index 5802feb..1e86c5c 100644
--- a/libc/kernel/uapi/linux/elf-em.h
+++ b/libc/kernel/uapi/linux/elf-em.h
@@ -38,28 +38,29 @@
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define EM_PPC64 21
 #define EM_SPU 23
+#define EM_ARM 40
 #define EM_SH 42
-#define EM_SPARCV9 43
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define EM_SPARCV9 43
 #define EM_IA_64 50
 #define EM_X86_64 62
 #define EM_S390 22
-#define EM_CRIS 76
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define EM_CRIS 76
 #define EM_V850 87
 #define EM_M32R 88
-#define EM_H8_300 46
 #define EM_MN10300 89
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define EM_BLACKFIN 106
 #define EM_TI_C6000 140
+#define EM_AARCH64 183
 #define EM_FRV 0x5441
-#define EM_AVR32 0x18ad
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define EM_AVR32 0x18ad
 #define EM_ALPHA 0x9026
 #define EM_CYGNUS_V850 0x9080
 #define EM_CYGNUS_M32R 0x9041
-#define EM_S390_OLD 0xA390
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define EM_S390_OLD 0xA390
 #define EM_CYGNUS_MN10300 0xbeef
 #endif