tests: net: Allow setting CONFIG_ZVFS_OPEN_MAX

Add CONFIG_ZVFS_OPEN_IGNORE_MIN=y so that we can set the
CONFIG_ZVFS_OPEN_MAX without specifying individual sub values.
This is just specific to this test and not something that needs
to be done in other tests.

Signed-off-by: Jukka Rissanen <[email protected]>

Author: jukkar

tests/net/all/prj.conf

@@ -353,6 +353,7 @@ CONFIG_NET_SOCKETS_ENABLE_DTLS=y
 CONFIG_NET_SOCKETS_LOG_LEVEL_DBG=y
 CONFIG_NET_SOCKETS_OFFLOAD=y
 CONFIG_NET_SOCKETS_PACKET=y
+CONFIG_ZVFS_OPEN_IGNORE_MIN=y
 CONFIG_ZVFS_OPEN_MAX=50
 CONFIG_ZVFS_POLL_MAX=50
 CONFIG_NET_SOCKETS=y