Add ARM-specific syscalls

Author: tbu-

src/platform/linux-armeabi/nr.rs

@@ -352,3 +352,8 @@ pub const WAIT4: usize = 114;
 pub const WAITID: usize = 280;
 pub const WRITE: usize = 4;
 pub const WRITEV: usize = 146;
+pub const ARM_BREAKPOINT: usize = 0xf0001;
+pub const ARM_CACHEFLUSH: usize = 0xf0002;
+pub const ARM_SET_TLS: usize = 0xf0005;
+pub const ARM_USR26: usize = 0xf0003;
+pub const ARM_USR32: usize = 0xf0004;