iwlegacy: Use standard #defines for PCIe Capability ASPM fields

Use the standard #defines rather than creating local definitions for
PCIe Capability ASPM fields.

Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Stanislaw Gruszka <sgruszka@redhat.com>
diff --git a/drivers/net/wireless/iwlegacy/common.c b/drivers/net/wireless/iwlegacy/common.c
index 1811507..7e16d10 100644
--- a/drivers/net/wireless/iwlegacy/common.c
+++ b/drivers/net/wireless/iwlegacy/common.c
@@ -1186,7 +1186,7 @@
 	u16 lctl;
 
 	pcie_capability_read_word(il->pci_dev, PCI_EXP_LNKCTL, &lctl);
-	il->power_data.pci_pm = !(lctl & PCI_CFG_LINK_CTRL_VAL_L0S_EN);
+	il->power_data.pci_pm = !(lctl & PCI_EXP_LNKCTL_ASPM_L0S);
 
 	il->power_data.debug_sleep_level_override = -1;
 
@@ -4235,8 +4235,7 @@
 	 */
 	if (il->cfg->set_l0s) {
 		pcie_capability_read_word(il->pci_dev, PCI_EXP_LNKCTL, &lctl);
-		if ((lctl & PCI_CFG_LINK_CTRL_VAL_L1_EN) ==
-		    PCI_CFG_LINK_CTRL_VAL_L1_EN) {
+		if (lctl & PCI_EXP_LNKCTL_ASPM_L1) {
 			/* L1-ASPM enabled; disable(!) L0S  */
 			il_set_bit(il, CSR_GIO_REG,
 				   CSR_GIO_REG_VAL_L0S_ENABLED);