!1219 openEuler: introduced OPENEULER_LTS to identify LTS Release

Merge Pull Request from: @ci-robot 
 
PR sync from: Xie XiuQi <xiexiuqi@huawei.com>
https://mailweb.openeuler.org/hyperkitty/list/kernel@openeuler.org/message/JBDIT3MTL5BQ7CXF4CVKWPIZPIDGXUD7/ 

https://gitee.com/openeuler/kernel/issues/I7761D

In most cases, the out-of-tree module needs to identify the release
version of the openEuler for interface adaptation. The existing
OPENEULER_VERSION() and OPENEULER_VERSION_CODE() cannot distinguish
between LTS versions and innovative versions. Therefore, a new macro
OPENEULER_LTS is introduced.
 
 
Link:https://gitee.com/openeuler/kernel/pulls/1219 

Reviewed-by: sanglipeng <sanglipeng1@jd.com> 
Reviewed-by: Jason Zeng <jason.zeng@intel.com> 
Signed-off-by: Zheng Zengkai <zhengzengkai@huawei.com> 

Makefile

@@ -4,6 +4,7 @@ PATCHLEVEL = 10
 SUBLEVEL = 0
 EXTRAVERSION =
 NAME = Kleptomaniac Octopus
+OPENEULER_LTS = 1
 OPENEULER_MAJOR = 2203
 OPENEULER_MINOR = 2
 
@@ -1295,6 +1296,7 @@ define filechk_version.h
 	fi;                                                              \
 	echo '#define KERNEL_VERSION(a,b,c) (((a) << 16) + ((b) << 8) +  \
 	((c) > 255 ? 255 : (c)))';                                       \
+	echo '#define OPENEULER_LTS $(OPENEULER_LTS)';                 	 \
 	echo '#define OPENEULER_MAJOR $(OPENEULER_MAJOR)';               \
 	echo '#define OPENEULER_MINOR $(OPENEULER_MINOR)';               \
 	echo '#define OPENEULER_VERSION(a,b) (((a) << 8) + (b))';        \