[qca-nss-clients] Added generic NSS APIs to set/reset nexthop.

- Added NSS generic APIs to set and reset nexthop.

Change-Id: I3af6a4ca4b33705c59639171f43eb561b4b9ede0
Signed-off-by: Sneha Maganahalli <smaganah@codeaurora.org>
1 file changed