iwlwifi: set size of ucode section

Set size of firmware section in mvm bundle format.

Signed-off-by: David Spinadel <david.spinadel@intel.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
diff --git a/drivers/net/wireless/iwlwifi/iwl-drv.c b/drivers/net/wireless/iwlwifi/iwl-drv.c
index fa12f73..da4d85a 100644
--- a/drivers/net/wireless/iwlwifi/iwl-drv.c
+++ b/drivers/net/wireless/iwlwifi/iwl-drv.c
@@ -284,6 +284,7 @@
 
 	sec->offset = le32_to_cpu(sec_parse->offset);
 	sec->data = sec_parse->data;
+	sec->size = size - sizeof(sec_parse->offset);
 
 	++img->sec_counter;