bld: build lib and tools from topdir

Signed-off-by: Federico Vaga <federico.vaga@cern.ch>

Makefile

@@ -2,7 +2,13 @@
 #
 # SPDX-FileCopyrightText: 2019 CERN
 
-all: modules
+all: modules lib tools
+
+lib:
+	@$(MAKE) -C lib $@
+
+tools:
+	@$(MAKE) -C tools $@
 
 modules modules_install:
 	@$(MAKE) -C drivers/fmc/ $@
@@ -13,5 +19,7 @@ sources srpm:
 clean:
 	@$(MAKE) -C distribution $@
 	@$(MAKE) -C drivers/fmc/ $@
+	@$(MAKE) -C lib $@
+	@$(MAKE) -C tools $@
 
 .PHONY: sources srpm modules modules_install clean all