mac80211: remove DMI_EXACT_MATCH

DMI_EXACT_MATCH was added to the kernel in version 3.10.21 and collides
with backports version. DMI_EXACT_MATCH is only used by the intel GPU
driver which is not build by OpenWrt, so remove it.

Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>

SVN-Revision: 38976

package/kernel/mac80211/patches/071-remove-DMI_EXACT_MATCH.patch

@@ -0,0 +1,13 @@
+--- a/backport-include/linux/mod_devicetable.h
++++ b/backport-include/linux/mod_devicetable.h
+@@ -2,10 +2,6 @@
+ #define __BACKPORT_MOD_DEVICETABLE_H
+ #include_next <linux/mod_devicetable.h>
+ 
+-#if LINUX_VERSION_CODE < KERNEL_VERSION(3,11,0)
+-#define DMI_EXACT_MATCH(a, b)  DMI_MATCH(DMI_PRODUCT_NAME, "BACKPORT_IGNORE")
+-#endif
+-
+ #ifndef HID_BUS_ANY
+ #define HID_BUS_ANY                            0xffff
+ #endif