ath6kl: set ram reserved size only for ar6003

Ram reserved size is not needed with ar6004.
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>

drivers/net/wireless/ath/ath6kl/init.c

@@ -539,6 +539,7 @@ int ath6kl_configure_target(struct ath6kl *ar)
 	 * but possible in theory.
 	 */
 
+	if (ar->target_type == TARGET_TYPE_AR6003) {
 		param = ar->hw.board_ext_data_addr;
 		ram_reserved_size = ar->hw.reserved_ram_size;
 
@@ -552,6 +553,7 @@ int ath6kl_configure_target(struct ath6kl *ar)
 			ath6kl_err("bmi_write_memory for hi_end_ram_reserve_sz failed\n");
 			return -EIO;
 		}
+	}
 
 	/* set the block size for the target */
 	if (ath6kl_set_htc_params(ar, MBOX_YIELD_LIMIT, 0))