Deprecate SR_DI_BUFFERSIZES.

This is replaced by SR_CONF_BUFFERSIZE.

hardware/hantek-dso/api.c

@@ -432,9 +432,6 @@ static int config_get(int id, const void **data, const struct sr_dev_inst *sdi)
 	case SR_DI_HWCAPS:
 		*data = hwcaps;
 		break;
-	case SR_DI_BUFFERSIZES:
-		*data = buffersizes;
-		break;
 	case SR_DI_TIMEBASES:
 		*data = timebases;
 		break;
@@ -586,6 +583,9 @@ static int config_list(int key, const void **data, const struct sr_dev_inst *sdi
 	(void)sdi;
 
 	switch (key) {
+	case SR_CONF_BUFFERSIZE:
+		*data = buffersizes;
+		break;
 	default:
 		return SR_ERR_ARG;
 	}

libsigrok.h

@@ -553,8 +553,6 @@ enum {
 	SR_DI_HWCAPS,
 	/** Types of logic trigger supported, out of "01crf" (char *). */
 	SR_DI_TRIGGER_TYPES,
-	/** Supported buffer sizes. */
-	SR_DI_BUFFERSIZES,
 	/** Supported time bases. */
 	SR_DI_TIMEBASES,
 	/** Supported trigger sources. */