textproc/ugrep: add a workaround for building on aarch64 platform

PR:		276577
Reported by:	void at f-m dot fm

textproc/ugrep/Makefile

 PORTNAME=	ugrep
 DISTVERSIONPREFIX=	v
 DISTVERSION=	4.5.2
+PORTREVISION=	1
 CATEGORIES=	textproc
 
 MAINTAINER=	ashish@FreeBSD.org

textproc/ugrep/files/patch-lzma_C_CpuArch.c

+--- lzma/C/CpuArch.c.orig	2024-01-24 11:26:34 UTC
++++ lzma/C/CpuArch.c
+@@ -762,10 +762,11 @@ BoolInt CPU_IsSupported_AES (void) { return APPLE_CRYP
+ 
+ #include <sys/auxv.h>
+ 
++#ifdef __linux__
+ #define USE_HWCAP
++#endif
+ 
+ #ifdef USE_HWCAP
+-
+ #include <asm/hwcap.h>
+ 
+   #define MY_HWCAP_CHECK_FUNC_2(name1, name2) \