[SCSI] Make scsi.h independent of the rest of the scsi includes

This allows it to compile and be used on the ps3 platform that wants
to use the #define values in scsi.h without actually having
CONFIG_SCSI set.

Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
diff --git a/include/scsi/scsi.h b/include/scsi/scsi.h
index 80d7f60..084478e 100644
--- a/include/scsi/scsi.h
+++ b/include/scsi/scsi.h
@@ -9,7 +9,8 @@
 #define _SCSI_SCSI_H
 
 #include <linux/types.h>
-#include <scsi/scsi_cmnd.h>
+
+struct scsi_cmnd;
 
 /*
  * The maximum number of SG segments that we will put inside a
@@ -439,22 +440,6 @@
 #define host_byte(result)   (((result) >> 16) & 0xff)
 #define driver_byte(result) (((result) >> 24) & 0xff)
 
-static inline void set_msg_byte(struct scsi_cmnd *cmd, char status)
-{
-	cmd->result |= status << 8;
-}
-
-static inline void set_host_byte(struct scsi_cmnd *cmd, char status)
-{
-	cmd->result |= status << 16;
-}
-
-static inline void set_driver_byte(struct scsi_cmnd *cmd, char status)
-{
-	cmd->result |= status << 24;
-}
-
-
 #define sense_class(sense)  (((sense) >> 4) & 0x7)
 #define sense_error(sense)  ((sense) & 0xf)
 #define sense_valid(sense)  ((sense) & 0x80);