iwlwifi: move DVM code into subdirectory

Since we're working on another mode/driver
inside iwlwifi, move the current one into a
subdirectory to more cleanly separate the
code. While at it, rename all the files.

Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
diff --git a/drivers/net/wireless/iwlwifi/pcie/6000.c b/drivers/net/wireless/iwlwifi/pcie/6000.c
index 7360cd9..f9e3961 100644
--- a/drivers/net/wireless/iwlwifi/pcie/6000.c
+++ b/drivers/net/wireless/iwlwifi/pcie/6000.c
@@ -29,7 +29,7 @@
 #include "iwl-config.h"
 #include "iwl-agn-hw.h"
 #include "cfg.h"
-#include "iwl-commands.h" /* needed for BT for now */
+#include "dvm/commands.h" /* needed for BT for now */
 
 /* Highest firmware API version supported */
 #define IWL6000_UCODE_API_MAX 6