target/loongarch: Add gdb support.

Signed-off-by: Xiaojuan Yang <yangxiaojuan@loongson.cn>
Signed-off-by: Song Gao <gaosong@loongson.cn>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220606124333.2060567-42-yangxiaojuan@loongson.cn>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
diff --git a/MAINTAINERS b/MAINTAINERS
index e8938db..954fb95 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -1137,6 +1137,7 @@
 F: hw/intc/loongarch_*.c
 F: include/hw/pci-host/ls7a.h
 F: hw/rtc/ls7a_rtc.c
+F: gdb-xml/loongarch*.xml
 
 M68K Machines
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