iwinfo: add AR9580 with new subsystem device ID and QCA9880 with no subsystem vendor/device IDs

The AR9580 with the new ID can be found in the EnGenius ESR900 and the
QCA9880 without any subsystem IDs can be found in the EnGenius ESR1750.

Signed-off-by: Forest Crossman <cyrozap@gmail.com>

git-svn-id: svn+ssh://svn.openwrt.org/openwrt/trunk@42793 3c298f89-4303-0410-b956-a3cf2f4a3e73

hardware.txt

@@ -52,6 +52,8 @@
 0x168c 0x002a 0x168c 0xa093    0      0  "Atheros"  "AR9280"
 0x168c 0x002b 0x168c 0xa091    0      0  "Atheros"  "AR9285"
 0x168c 0x0033 0x168c 0xa120    0      0  "Atheros"  "AR9580"
+0x168c 0x0033 0x168c 0xa136    0      0  "Atheros"  "AR9580"
+0x168c 0x003c 0x0000 0x0000    0      0  "Qualcomm Atheros" "QCA9880"
 0x1814 0x3050 0x1814 0x0005    0      0  "RaLink"   "Rt3050"
 0x1814 0x3052 0x1814 0x0008    0      0  "RaLink"   "Rt3052"
 0x1814 0x3352 0x1814 0x000c    0      0  "RaLink"   "Rt3352"