xhttp_pi: updated the path for installation of pi_framework.xml

src/modules/xhttp_pi/Makefile

@@ -42,7 +42,8 @@ install-cfg:
 	@$(call try_err, mkdir -p $(cfg_prefix)/$(cfg_dir))
 	@$(call try_err, $(INSTALL_TOUCH) \
 		$(cfg_prefix)/$(cfg_dir)/pi_framework.xml.sample)
-	@$(call try_err, $(INSTALL_CFG) ../../../misc/examples/pi_framework.xml \
+	@$(call try_err, $(INSTALL_CFG) \
+		../../../misc/examples/pi_framework/pi_framework.xml \
 		$(cfg_prefix)/$(cfg_dir)/pi_framework.xml.sample)
 	@if [ -z "${skip_cfg_install}" -a \
 		! -f $(cfg_prefix)/$(cfg_dir)/pi_framework.xml ]; then \