linux-firmware: liquidio: add v1.7.0 vswitch firmware

Add firmware that supports vswitch for CN23XX-based LiquidIO II adapters
Signed-off-by: Manish Awasthi <manish.awasthi@cavium.com>
Signed-off-by: Felix Manlunas <felix.manlunas@cavium.com>

WHENCE

@@ -3367,6 +3367,9 @@ Driver: liquidio -- Cavium LiquidIO driver
 File: liquidio/lio_23xx_nic.bin
 Version: v1.7.0
 
+File: liquidio/lio_23xx_vsw.bin
+Version: v1.7.0
+
 File: liquidio/lio_210nv_nic.bin
 Version: v1.7.0