ath5k: support LEDs on Acer Aspire One netbook

Add vendor ID for Foxconn and use it to set the ath5k LED gpio and
polarity for Acer branded laptops.

base.c:
Changes-licensed-under: 3-Clause-BSD

Reported-by: Maxim Levitsky <maximlevitsky@gmail.com>
Tested-by: Maxim Levitsky <maximlevitsky@gmail.com>
Tested-by: Andreas Mohr <andi@lisas.de>
Signed-off-by: Bob Copeland <me@bobcopeland.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/include/linux/pci_ids.h b/include/linux/pci_ids.h
index 302423a..5b7a48c 100644
--- a/include/linux/pci_ids.h
+++ b/include/linux/pci_ids.h
@@ -834,6 +834,8 @@
 #define PCI_DEVICE_ID_PROMISE_20276	0x5275
 #define PCI_DEVICE_ID_PROMISE_20277	0x7275
 
+#define PCI_VENDOR_ID_FOXCONN		0x105b
+
 #define PCI_VENDOR_ID_UMC		0x1060
 #define PCI_DEVICE_ID_UMC_UM8673F	0x0101
 #define PCI_DEVICE_ID_UMC_UM8886BF	0x673a