[PATCH] Makefile: add kselftest-build target

[Shuah Khan]

One of the use-cases is building kselftest and then installing.
Adding a target to just build the tests from the main Makefile
will help users and makes it easier.

Signed-off-by: Shuah Khan <skhan@xxxxxxxxxxxxxxxxxxx>
---
 Makefile | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/Makefile b/Makefile
index 15c8251d4d5e..38a2ce3c343f 100644
--- a/Makefile
+++ b/Makefile
@@ -1195,6 +1195,9 @@ endif
 # ---------------------------------------------------------------------------
 # Kernel selftest
 
+PHONY += kselftest-build
+kselftest-build:
+	$(Q)$(MAKE) -C $(srctree)/tools/testing/selftests all
 PHONY += kselftest
 kselftest:
 	$(Q)$(MAKE) -C $(srctree)/tools/testing/selftests run_tests
-- 
2.17.1