iwlwifi: remove unused parameter from grab_nic_access

All the callers used silent = false.

Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
diff --git a/drivers/net/wireless/intel/iwlwifi/dvm/main.c b/drivers/net/wireless/intel/iwlwifi/dvm/main.c
index 94bc66a..f62c2d7 100644
--- a/drivers/net/wireless/intel/iwlwifi/dvm/main.c
+++ b/drivers/net/wireless/intel/iwlwifi/dvm/main.c
@@ -429,7 +429,7 @@
 		ptr = base + (4 * sizeof(u32)) + (start_idx * 3 * sizeof(u32));
 
 	/* Make sure device is powered up for SRAM reads */
-	if (!iwl_trans_grab_nic_access(priv->trans, false, &reg_flags))
+	if (!iwl_trans_grab_nic_access(priv->trans, &reg_flags))
 		return;
 
 	/* Set starting address; reads will auto-increment */
@@ -1731,7 +1731,7 @@
 	ptr = base + EVENT_START_OFFSET + (start_idx * event_size);
 
 	/* Make sure device is powered up for SRAM reads */
-	if (!iwl_trans_grab_nic_access(trans, false, &reg_flags))
+	if (!iwl_trans_grab_nic_access(trans, &reg_flags))
 		return pos;
 
 	/* Set starting address; reads will auto-increment */