[qca-nss-clients] Update capwap send buffer API

nss_capwap_tx_data() was renamed to nss_capwap_tx_buf()

Change-Id: I4bb0317398f53878ae1fa84e7c270ee4a8129c7f
Signed-off-by: Stephen Wang <wstephen@codeaurora.org>
1 file changed