[media] mem2mem_testdev: rename to vim2m

This is 1) *much* easier to type, and 2) is consistent with vivid
('vi' for virtual). More of such virtual drivers are planned, so keeping
the naming consistent makes sense.

Note that the old module name is retained as a module alias.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>

drivers/media/platform/Kconfig

@@ -267,8 +267,8 @@ if V4L_TEST_DRIVERS
 
 source "drivers/media/platform/vivid/Kconfig"
 
-config VIDEO_MEM2MEM_TESTDEV
-	tristate "Virtual test device for mem2mem framework"
+config VIDEO_VIM2M
+	tristate "Virtual Memory-to-Memory Driver"
 	depends on VIDEO_DEV && VIDEO_V4L2
 	select VIDEOBUF2_VMALLOC
 	select V4L2_MEM2MEM_DEV

drivers/media/platform/Makefile

@@ -17,7 +17,7 @@ obj-$(CONFIG_VIDEO_OMAP3)	+= omap3isp/
 obj-$(CONFIG_VIDEO_VIU) += fsl-viu.o
 
 obj-$(CONFIG_VIDEO_VIVID)		+= vivid/
-obj-$(CONFIG_VIDEO_MEM2MEM_TESTDEV) += mem2mem_testdev.o
+obj-$(CONFIG_VIDEO_VIM2M)		+= vim2m.o
 
 obj-$(CONFIG_VIDEO_TI_VPE)		+= ti-vpe/