[PATCH 3/3] libsanitizer: RISC-V supports HWASAN.

With both libsanitizer and the RISC-V back end supporting HWASAN, enable
building libsanitizer with HWASAN support for RISC-V targets.

------

libsanitizer/ChangeLog:

	* configure.tgt: Enable HWASAN support for RISC-V target.

libsanitizer/configure.tgt

@@ -76,6 +76,7 @@ case "${target}" in
 		TSAN_SUPPORTED=yes
 		LSAN_SUPPORTED=yes
 		TSAN_TARGET_DEPENDENT_OBJECTS=tsan_rtl_riscv64.lo
+		HWASAN_SUPPORTED=yes
 	fi
 	;;
   loongarch64-*-linux*)