drm: mxsfb: Rename mxsfb_crtc.c to mxsfb_kms.c

The mxsfb_crtc.c file doesn't handle just the CRTC, but also the other
KMS objects. Rename it accordingly.

Signed-off-by: Laurent Pinchart <[email protected]>
Reviewed-by: Stefan Agner <[email protected]>
Reviewed-by: Emil Velikov <[email protected]>
Signed-off-by: Stefan Agner <[email protected]>
Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]

Author: pinchartl

drivers/gpu/drm/mxsfb/Makefile

@@ -1,3 +1,3 @@
 # SPDX-License-Identifier: GPL-2.0-only
-mxsfb-y := mxsfb_drv.o mxsfb_crtc.o
+mxsfb-y := mxsfb_drv.o mxsfb_kms.o
 obj-$(CONFIG_DRM_MXSFB)	+= mxsfb.o