kpatch/LoongArch: enable kpatch build

Since kpatch now supports LoongArch basically, enable the build.

Signed-off-by: George Guo <[email protected]>

Author: georgejguo

kpatch-build/Makefile

@@ -21,7 +21,7 @@ PLUGIN_CFLAGS := $(filter-out -std=gnu11 -Wconversion, $(CFLAGS))
 PLUGIN_CFLAGS += -shared -I$(GCC_PLUGINS_DIR)/include \
 		   -Igcc-plugins -fPIC -fno-rtti -O2 -Wall
 endif
-ifeq ($(filter $(ARCH),s390x x86_64 ppc64le aarch64),)
+ifeq ($(filter $(ARCH),s390x x86_64 ppc64le aarch64 loongarch64),)
 $(error Unsupported architecture ${ARCH}, check https://github.com/dynup/kpatch/#supported-architectures)
 endif