Also install text timing databases

Signed-off-by: Clifford Wolf <clifford@clifford.at>

icetime/Makefile

diff --git a/icetime/Makefile b/icetime/Makefile
index 85d31f8..d260681 100644
--- a/icetime/Makefile
+++ b/icetime/Makefile
@@ -37,7 +37,9 @@
 
 install: all
 	mkdir -p $(DESTDIR)$(PREFIX)/bin
+	mkdir -p $(DESTDIR)$(PREFIX)/share/icebox
 	cp icetime$(EXE) $(DESTDIR)$(PREFIX)/bin/icetime$(EXE)
+	cp ../icefuzz/timings_*.txt $(DESTDIR)$(PREFIX)/share/icebox/
 
 uninstall:
 	rm -f $(DESTDIR)$(PREFIX)/bin/icetime$(EXE)