[qca-nss-drv] Set NETIF_F_HIGHDMA flag

Driver is capable of accessing high mem. Set this
flag to avoid a performance hit when high mem exists.

Change-Id: Ie197b6d9e397ba8986313cfc643d260ddeabde8e
Signed-off-by: Selin Dag <sdag@codeaurora.org>
1 file changed