drm/bridge: imx: turn imx8{qm,qxp}-ldb into single-object modules

With the previous fix, these modules are built from a single C file.

Rename the source files so they match the module names.

Signed-off-by: Masahiro Yamada <[email protected]>
Reviewed-by: Laurent Pinchart <[email protected]>
Reviewed-by: Liu Ying <[email protected]>
Signed-off-by: Robert Foss <[email protected]>
Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]

Author: masahir0y

drivers/gpu/drm/bridge/imx/Makefile

@@ -1,10 +1,6 @@
 obj-$(CONFIG_DRM_IMX_LDB_HELPER) += imx-ldb-helper.o
-imx8qm-ldb-objs := imx8qm-ldb-drv.o
 obj-$(CONFIG_DRM_IMX8QM_LDB) += imx8qm-ldb.o
-
-imx8qxp-ldb-objs := imx8qxp-ldb-drv.o
 obj-$(CONFIG_DRM_IMX8QXP_LDB) += imx8qxp-ldb.o
-
 obj-$(CONFIG_DRM_IMX8QXP_PIXEL_COMBINER) += imx8qxp-pixel-combiner.o
 obj-$(CONFIG_DRM_IMX8QXP_PIXEL_LINK) += imx8qxp-pixel-link.o
 obj-$(CONFIG_DRM_IMX8QXP_PIXEL_LINK_TO_DPI) += imx8qxp-pxl2dpi.o