video: fbdev: omap2: remove rfbi

Equivalent of drm's commit aa61321d4c ("drm/omap: remove rfbi").

The RFBI driver has been marked as BROKEN and has not been
included in the kernel build for many years. Just remove it
(it can be trivially brought back from git repository if
ever needed).

Cc: Tomi Valkeinen <tomi.valkeinen@ti.com>
Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Cc: Aaro Koskinen <aaro.koskinen@iki.fi>
Cc: Tony Lindgren <tony@atomide.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>

include/video/omapfb_dss.h

@@ -114,11 +114,6 @@ enum omap_dss_trans_key_type {
 	OMAP_DSS_COLOR_KEY_VID_SRC = 1,
 };
 
-enum omap_rfbi_te_mode {
-	OMAP_DSS_RFBI_TE_MODE_1 = 1,
-	OMAP_DSS_RFBI_TE_MODE_2 = 2,
-};
-
 enum omap_dss_signal_level {
 	OMAPDSS_SIG_ACTIVE_LOW,
 	OMAPDSS_SIG_ACTIVE_HIGH,
@@ -189,27 +184,6 @@ enum omap_dss_output_id {
 	OMAP_DSS_OUTPUT_HDMI	= 1 << 6,
 };
 
-/* RFBI */
-
-struct rfbi_timings {
-	int cs_on_time;
-	int cs_off_time;
-	int we_on_time;
-	int we_off_time;
-	int re_on_time;
-	int re_off_time;
-	int we_cycle_time;
-	int re_cycle_time;
-	int cs_pulse_width;
-	int access_time;
-
-	int clk_div;
-
-	u32 tim[5];             /* set by rfbi_convert_timings() */
-
-	int converted;
-};
-
 /* DSI */
 
 enum omap_dss_dsi_trans_mode {
@@ -640,11 +614,6 @@ struct omap_dss_device {
 			u8 data_lines;
 		} dpi;
 
-		struct {
-			u8 channel;
-			u8 data_lines;
-		} rfbi;
-
 		struct {
 			u8 datapairs;
 		} sdi;
@@ -668,7 +637,6 @@ struct omap_dss_device {
 
 	struct {
 		u8 pixel_size;
-		struct rfbi_timings rfbi_timings;
 	} ctrl;
 
 	const char *name;