ALSA: x86: Rename drv_status to connected

After the rewrite of the runtime PM code, we have only two driver
status: CONNECTED and DISCONNECTED.  So it's clearer to use a boolean
flag, and name it easier one, "connected".

Signed-off-by: Takashi Iwai <tiwai@suse.de>

sound/x86/intel_hdmi_lpe_audio.h

@@ -82,14 +82,6 @@
 /* Naud Value */
 #define DP_NAUD_VAL					32768
 
-enum had_drv_status {
-	HAD_DRV_CONNECTED,
-	HAD_DRV_RUNNING,
-	HAD_DRV_DISCONNECTED,
-	HAD_DRV_SUSPENDED,
-	HAD_DRV_ERR,
-};
-
 /* enum intel_had_aud_buf_type - HDMI controller ring buffer types */
 enum intel_had_aud_buf_type {
 	HAD_BUF_TYPE_A = 0,