iwlegacy: rename i/o direct methods

Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
diff --git a/drivers/net/wireless/iwlegacy/iwl-csr.h b/drivers/net/wireless/iwlegacy/iwl-csr.h
index faffb8e..c00ec35 100644
--- a/drivers/net/wireless/iwlegacy/iwl-csr.h
+++ b/drivers/net/wireless/iwlegacy/iwl-csr.h
@@ -72,7 +72,7 @@
  *
  * Use _il_wr() and _il_rd() family to access these registers;
  * these provide simple PCI bus access, without waking up the MAC.
- * Do not use il_write_direct32() family for these registers;
+ * Do not use il_wr() family for these registers;
  * no need to "grab nic access" via CSR_GP_CNTRL_REG_FLAG_MAC_ACCESS_REQ.
  * The MAC (uCode processor, etc.) does not need to be powered up for accessing
  * the CSR registers.
@@ -368,7 +368,7 @@
  * to indirectly access device's internal memory or registers that
  * may be powered-down.
  *
- * Use il_write_direct32()/il_read_direct32() family
+ * Use il_wr()/il_rd() family
  * for these registers;
  * host must "grab nic access" via CSR_GP_CNTRL_REG_FLAG_MAC_ACCESS_REQ
  * to make sure the MAC (uCode processor, etc.) is powered up for accessing