drm: apple: DCP AFK/EPIC support

Signed-off-by: Sven Peter <sven@svenpeter.dev>
Co-developed-by: Martin Povišer <povik+lin@cutebit.org>
Signed-off-by: Martin Povišer <povik+lin@cutebit.org>
Co-developed-by: Janne Grunau <j@jannau.net>
Signed-off-by: Janne Grunau <j@jannau.net>

Author: svenpeter42

drivers/gpu/drm/apple/Makefile

@@ -4,7 +4,7 @@ CFLAGS_trace.o = -I$(src)
 
 appledrm-y := apple_drv.o
 
-apple_dcp-y := dcp.o dcp_backlight.o iomfb.o parser.o
+apple_dcp-y := afk.o dcp.o dcp_backlight.o iomfb.o parser.o
 apple_dcp-y += iomfb_v12_3.o
 apple_dcp-y += iomfb_v13_3.o
 apple_dcp-$(CONFIG_TRACING) += trace.o