tests: Run make clean for hwsim_test before rebuilding it

This makes sure that the build.sh script ends up rebuilding hwsim_test.

Signed-off-by: Amit Khatri <amit.khatri@samsung.com>

mac80211_hwsim/tools/Makefile

@@ -9,3 +9,7 @@ CFLAGS = -O2 -Wall -g
 endif
 
 hwsim_test: hwsim_test.o
+
+clean:
+	rm -rf *.o
+	rm -rf hwsim_test

tests/hwsim/build.sh

@@ -20,4 +20,5 @@ cd ../wlantest
 make clean
 make -j8
 cd ../mac80211_hwsim/tools
+make clean
 make -j8