selftests/gpio: Move include of lib.mk up

[ Upstream commit 449539d ]

Move the include of lib.mk up so that in a subsequent patch we can use
OUTPUT, which is initialised by lib.mk, in the definition of the GPIO
variables.

Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>

tools/testing/selftests/gpio/Makefile

@@ -13,6 +13,9 @@ TEST_PROGS := gpio-mockup.sh
 TEST_FILES := gpio-mockup-sysfs.sh
 TEST_GEN_PROGS_EXTENDED := gpio-mockup-chardev
 
+KSFT_KHDR_INSTALL := 1
+include ../lib.mk
+
 GPIODIR := $(realpath ../../../gpio)
 GPIOOBJ := gpio-utils.o
 
@@ -21,9 +24,6 @@ override define CLEAN
 	$(MAKE) -C $(GPIODIR) OUTPUT=$(GPIODIR)/ clean
 endef
 
-KSFT_KHDR_INSTALL := 1
-include ../lib.mk
-
 $(TEST_GEN_PROGS_EXTENDED): $(GPIODIR)/$(GPIOOBJ)
 
 $(GPIODIR)/$(GPIOOBJ):