Add t/axmap tester

Signed-off-by: Jens Axboe <axboe@kernel.dk>
diff --git a/Makefile b/Makefile
index 6384ff0..6a1440c 100644
--- a/Makefile
+++ b/Makefile
@@ -90,13 +90,19 @@
 T_ZIPF_OBJS += t/log.o lib/ieee754.o lib/rand.o lib/zipf.o t/genzipf.o
 T_ZIPF_PROGS = t/genzipf
 
+T_AXMAP_OBJS = t/axmap.o
+T_AXMAP_OBJS += lib/lfsr.o lib/axmap.o
+T_AXMAP_PROGS = t/axmap
+
 T_OBJS = $(T_SMALLOC_OBJS)
 T_OBJS += $(T_IEEE_OBJS)
 T_OBJS += $(T_ZIPF_OBJS)
+T_OBJS += $(T_AXMAP_OBJS)
 
 T_PROGS = $(T_SMALLOC_PROGS)
 T_PROGS += $(T_IEEE_PROGS)
 T_PROGS += $(T_ZIPF_PROGS)
+T_PROGS += $(T_AXMAP_PROGS)
 
 ifneq ($(findstring $(MAKEFLAGS),s),s)
 ifndef V
@@ -141,6 +147,9 @@
 t/genzipf: $(T_ZIPF_OBJS)
 	$(QUIET_CC)$(CC) $(LDFLAGS) $(CFLAGS) -o $@ $(T_ZIPF_OBJS) $(LIBS) $(LDFLAGS)
 
+t/axmap: $(T_AXMAP_OBJS)
+	$(QUIET_CC)$(CC) $(LDFLAGS) $(CFLAGS) -o $@ $(T_AXMAP_OBJS) $(LIBS) $(LDFLAGS)
+
 fio: $(OBJS)
 	$(QUIET_CC)$(CC) $(LDFLAGS) $(CFLAGS) -o $@ $(OBJS) $(LIBS) $(LDFLAGS)