drm/bridge: dw-hdmi: remove dead code and fix indentation

The hdmi_datamap enum is no longer in use. Also reindent enable_audio's
call params.

Signed-off-by: Adrián Larumbe <adrian.larumbe@collabora.com>
Acked-by: Neil Armstrong <neil.armstrong@linaro.org>
Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/ca42985814e9be33b7f8e3a33cea9e18505299e3.1687702042.git.adrian.larumbe@collabora.com

drivers/gpu/drm/bridge/synopsys/dw-hdmi.c

@@ -49,20 +49,6 @@
 
 #define HDMI14_MAX_TMDSCLK	340000000
 
-enum hdmi_datamap {
-	RGB444_8B = 0x01,
-	RGB444_10B = 0x03,
-	RGB444_12B = 0x05,
-	RGB444_16B = 0x07,
-	YCbCr444_8B = 0x09,
-	YCbCr444_10B = 0x0B,
-	YCbCr444_12B = 0x0D,
-	YCbCr444_16B = 0x0F,
-	YCbCr422_8B = 0x16,
-	YCbCr422_10B = 0x14,
-	YCbCr422_12B = 0x12,
-};
-
 static const u16 csc_coeff_default[3][4] = {
 	{ 0x2000, 0x0000, 0x0000, 0x0000 },
 	{ 0x0000, 0x2000, 0x0000, 0x0000 },
@@ -856,10 +842,10 @@ static void dw_hdmi_gp_audio_enable(struct dw_hdmi *hdmi)
 
 	if (pdata->enable_audio)
 		pdata->enable_audio(hdmi,
-					    hdmi->channels,
-					    hdmi->sample_width,
-					    hdmi->sample_rate,
-					    hdmi->sample_non_pcm);
+				    hdmi->channels,
+				    hdmi->sample_width,
+				    hdmi->sample_rate,
+				    hdmi->sample_non_pcm);
 }
 
 static void dw_hdmi_gp_audio_disable(struct dw_hdmi *hdmi)