musl: add missing AArch64 HWCAP_* consts

Author: tarcieri

src/unix/linux_like/linux/musl/b64/aarch64/mod.rs

@@ -160,6 +160,40 @@ pub const ENOTRECOVERABLE: ::c_int = 131;
 pub const ERFKILL: ::c_int = 132;
 pub const EHWPOISON: ::c_int = 133;
 
+// bits/hwcap.h
+pub const HWCAP_FP: ::c_ulong = 1 << 0;
+pub const HWCAP_ASIMD: ::c_ulong = 1 << 1;
+pub const HWCAP_EVTSTRM: ::c_ulong = 1 << 2;
+pub const HWCAP_AES: ::c_ulong = 1 << 3;
+pub const HWCAP_PMULL: ::c_ulong = 1 << 4;
+pub const HWCAP_SHA1: ::c_ulong = 1 << 5;
+pub const HWCAP_SHA2: ::c_ulong = 1 << 6;
+pub const HWCAP_CRC32: ::c_ulong = 1 << 7;
+pub const HWCAP_ATOMICS: ::c_ulong = 1 << 8;
+pub const HWCAP_FPHP: ::c_ulong = 1 << 9;
+pub const HWCAP_ASIMDHP: ::c_ulong = 1 << 10;
+pub const HWCAP_CPUID: ::c_ulong = 1 << 11;
+pub const HWCAP_ASIMDRDM: ::c_ulong = 1 << 12;
+pub const HWCAP_JSCVT: ::c_ulong = 1 << 13;
+pub const HWCAP_FCMA: ::c_ulong = 1 << 14;
+pub const HWCAP_LRCPC: ::c_ulong = 1 << 15;
+pub const HWCAP_DCPOP: ::c_ulong = 1 << 16;
+pub const HWCAP_SHA3: ::c_ulong = 1 << 17;
+pub const HWCAP_SM3: ::c_ulong = 1 << 18;
+pub const HWCAP_SM4: ::c_ulong = 1 << 19;
+pub const HWCAP_ASIMDDP: ::c_ulong = 1 << 20;
+pub const HWCAP_SHA512: ::c_ulong = 1 << 21;
+pub const HWCAP_SVE: ::c_ulong = 1 << 22;
+pub const HWCAP_ASIMDFHM: ::c_ulong = 1 << 23;
+pub const HWCAP_DIT: ::c_ulong = 1 << 24;
+pub const HWCAP_USCAT: ::c_ulong = 1 << 25;
+pub const HWCAP_ILRCPC: ::c_ulong = 1 << 26;
+pub const HWCAP_FLAGM: ::c_ulong = 1 << 27;
+pub const HWCAP_SSBS: ::c_ulong = 1 << 28;
+pub const HWCAP_SB: ::c_ulong = 1 << 29;
+pub const HWCAP_PACA: ::c_ulong = 1 << 30;
+pub const HWCAP_PACG: ::c_ulong = 1 << 31;
+
 pub const MAP_ANON: ::c_int = 0x0020;
 pub const MAP_GROWSDOWN: ::c_int = 0x0100;
 pub const MAP_DENYWRITE: ::c_int = 0x0800;