ALSA: asihpi - Interrelated HPI tidy up.

Remove many unused functions.
Update some message and cache structs.
Use pci info directly from pci_dev.
Allow control cache elements with variable size, and handle
large message/response from dsp.
hpi6000 and hpi6205: fix error path when adapter bootload fails.
hpimsgx.c get rid of code duplicated in hpicmn.c

Signed-off-by: Eliot Blennerhassett <eblennerhassett@audioscience.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

sound/pci/asihpi/hpi6205.h

@@ -78,8 +78,8 @@ struct bus_master_interface {
 	u32 dsp_ack;
 	u32 transfer_size_in_bytes;
 	union {
-		struct hpi_message message_buffer;
-		struct hpi_response response_buffer;
+		struct hpi_message_header message_buffer;
+		struct hpi_response_header response_buffer;
 		u8 b_data[HPI6205_SIZEOF_DATA];
 	} u;
 	struct controlcache_6205 control_cache;