kselftest/arm64: Add MTE_FAR hwcap test

add MTE_FAR hwcap test on kselftest.

Signed-off-by: Yeoreum Yun <yeoreum.yun@arm.com>
Reviewed-by: Mark Brown <broonie@kernel.org>
Link: https://lore.kernel.org/r/20250618084513.1761345-5-yeoreum.yun@arm.com
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>

Author: LeviYeoReum

tools/testing/selftests/arm64/abi/hwcap.c

@@ -1098,6 +1098,12 @@ static const struct hwcap_data {
 		.sigill_fn = hbc_sigill,
 		.sigill_reliable = true,
 	},
+	{
+		.name = "MTE_FAR",
+		.at_hwcap = AT_HWCAP3,
+		.hwcap_bit = HWCAP3_MTE_FAR,
+		.cpuinfo = "mtefar",
+	},
 };
 
 typedef void (*sighandler_fn)(int, siginfo_t *, void *);