octeontx2-af: Update Tx link register range

[ Upstream commit 7336fc19 ]

On new silicons the TX channels for transmit level has increased.
This patch fixes the respective register offset range to
configure the newly added channels.

Fixes: b279bbb3

 ("octeontx2-af: NIX Tx scheduler queue config support")
Signed-off-by: Rahul Bhansali <rbhansali@marvell.com>
Signed-off-by: Geetha sowjanya <gakula@marvell.com>
Reviewed-by: Wojciech Drewek <wojciech.drewek@intel.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>