tools/lib/thermal: Remove the thermal.h soft link when doing make clean

Run "make -C tools thermal" can create a soft link for thermal.h in
tools/include/uapi/linux.  Just rm it when make clean.

Signed-off-by: zhang jiao <zhangjiao2@cmss.chinamobile.com>
Link: https://lore.kernel.org/r/20240912045031.18426-1-zhangjiao2@cmss.chinamobile.com
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>

Author: zhang jiao

tools/lib/thermal/Makefile

@@ -121,7 +121,9 @@ all: fixdep
 
 clean:
 	$(call QUIET_CLEAN, libthermal) $(RM) $(LIBTHERMAL_A) \
-                *.o *~ *.a *.so *.so.$(VERSION) *.so.$(LIBTHERMAL_VERSION) .*.d .*.cmd LIBTHERMAL-CFLAGS $(LIBTHERMAL_PC)
+                *.o *~ *.a *.so *.so.$(VERSION) *.so.$(LIBTHERMAL_VERSION) \
+                .*.d .*.cmd LIBTHERMAL-CFLAGS $(LIBTHERMAL_PC) \
+                $(srctree)/tools/$(THERMAL_UAPI)
 
 $(LIBTHERMAL_PC):
 	$(QUIET_GEN)sed -e "s|@PREFIX@|$(prefix)|" \