Staging: hv: hv_mouse: rename hv_mouse_drv.c

As there's only one file for this driver, just name it the same
as the end module name, saving one build/link step and making it
simpler in the end.

Cc: Hank Janssen <hjanssen@microsoft.com>
Cc: K. Y. Srinivasan <kys@microsoft.com>
Cc: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

drivers/staging/hv/Makefile

@@ -12,4 +12,3 @@ hv_storvsc-y := storvsc_drv.o storvsc.o
 hv_blkvsc-y := blkvsc_drv.o blkvsc.o
 hv_netvsc-y := netvsc_drv.o netvsc.o rndis_filter.o
 hv_utils-y := hv_util.o hv_kvp.o
-hv_mouse-objs  := hv_mouse_drv.o