Staging: hv: rename hyperv_utils.c to hv_utils.c

As the module only has one .c file in it, just name the file
the same as the desired module.

Cc: Hank Janssen <hjanssen@microsoft.com>
Cc: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
diff --git a/drivers/staging/hv/Makefile b/drivers/staging/hv/Makefile
index 7a57a88..1ac5083 100644
--- a/drivers/staging/hv/Makefile
+++ b/drivers/staging/hv/Makefile
@@ -10,4 +10,3 @@
 hv_storvsc-objs := storvsc_drv.o StorVsc.o
 hv_blkvsc-objs := blkvsc_drv.o BlkVsc.o
 hv_netvsc-objs := netvsc_drv.o NetVsc.o RndisFilter.o
-hv_utils-objs := hyperv_utils.o
diff --git a/drivers/staging/hv/hyperv_utils.c b/drivers/staging/hv/hv_utils.c
similarity index 100%
rename from drivers/staging/hv/hyperv_utils.c
rename to drivers/staging/hv/hv_utils.c