[PATCH 5/8] selftests: powerpc: override clean in lib.mk to fix warnings

[Shuah Khan <shuahkh@xxxxxxxxxxxxxxx>]

Add override for lib.mk clean to fix the following warnings from clean
target run.

Makefile:63: warning: overriding recipe for target 'clean'
../lib.mk:55: warning: ignoring old recipe for target 'clean'

Signed-off-by: Shuah Khan <shuahkh@xxxxxxxxxxxxxxx>
---
 tools/testing/selftests/powerpc/Makefile | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/tools/testing/selftests/powerpc/Makefile b/tools/testing/selftests/powerpc/Makefile
index 1c5d057..8d9fc64 100644
--- a/tools/testing/selftests/powerpc/Makefile
+++ b/tools/testing/selftests/powerpc/Makefile
@@ -59,12 +59,13 @@ override define EMIT_TESTS
 	done;
 endef
 
-clean:
+override define CLEAN
 	@for TARGET in $(SUB_DIRS); do \
 		BUILD_TARGET=$$OUTPUT/$$TARGET;	\
 		$(MAKE) OUTPUT=$$BUILD_TARGET -C $$TARGET clean; \
 	done;
 	rm -f tags
+endef
 
 tags:
 	find . -name '*.c' -o -name '*.h' | xargs ctags
-- 
2.9.3

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