samples: net: wifi: nxp: add separate conf for IW610

Add one config file for IW610 chip, as it has different net related
settings and thread priority settings from other hosted MCU, due to
Wi-Fi chip capability difference.

Signed-off-by: Maochen Wang <maochen.wang@nxp.com>

Author: MaochenWang1

samples/net/wifi/shell/nxp/overlay_iw610.conf

@@ -0,0 +1,71 @@
+# This conf is used for adding SAP, IPv4/IPv6, Zperf,
+# and is optimized to get higher throughput performance.
+
+# log & stats
+CONFIG_WIFI_LOG_LEVEL_DBG=y
+CONFIG_THREAD_LOCAL_STORAGE=y
+CONFIG_ASSERT=y
+CONFIG_ASSERT_LEVEL=2
+CONFIG_LOG_MODE_IMMEDIATE=y
+CONFIG_LOG_PRINTK=n
+CONFIG_SYS_HEAP_VALIDATE=y
+CONFIG_SYS_HEAP_RUNTIME_STATS=y
+CONFIG_NET_STATISTICS_WIFI=y
+CONFIG_NET_STATISTICS_USER_API=y
+
+# lib & os
+CONFIG_REQUIRES_FULL_LIBC=y
+CONFIG_CBPRINTF_FP_SUPPORT=y
+CONFIG_THREAD_CUSTOM_DATA=y
+CONFIG_EVENTS=y
+CONFIG_SYS_HEAP_AUTO=y
+CONFIG_SCHED_MULTIQ=y
+CONFIG_ZVFS_OPEN_MAX=30
+
+# shell
+CONFIG_SHELL_ARGC_MAX=48
+CONFIG_SHELL_CMD_BUFF_SIZE=512
+
+# wifi
+CONFIG_NXP_WIFI_SOFTAP_SUPPORT=y
+CONFIG_WIFI_SHELL_MAX_AP_STA=8
+
+# net
+CONFIG_NET_IPV4=y
+CONFIG_NET_IPV6=y
+CONFIG_NET_ZPERF=y
+CONFIG_NET_ZPERF_SERVER=y
+CONFIG_NET_ZPERF_MAX_PACKET_SIZE=1500
+CONFIG_NET_BUF_LOG=y
+CONFIG_NET_PKT_RX_COUNT=36
+CONFIG_NET_PKT_TX_COUNT=36
+CONFIG_NET_BUF_RX_COUNT=40
+CONFIG_NET_BUF_TX_COUNT=40
+CONFIG_NET_BUF_DATA_SIZE=1600
+CONFIG_NET_TCP_MAX_SEND_WINDOW_SIZE=46720
+CONFIG_NET_TCP_MAX_RECV_WINDOW_SIZE=46720
+CONFIG_NET_TC_TX_COUNT=1
+CONFIG_NET_TC_RX_COUNT=1
+CONFIG_NET_MGMT_EVENT_QUEUE_SIZE=40
+CONFIG_NET_IF_MAX_IPV4_COUNT=2
+CONFIG_NET_IF_MAX_IPV6_COUNT=2
+CONFIG_DNS_RESOLVER=y
+CONFIG_DNS_RESOLVER_MAX_SERVERS=2
+CONFIG_NET_SOCKETS_POLL_MAX=14
+CONFIG_NET_ZPERF_MAX_SESSIONS=6
+CONFIG_NET_IPV4_FRAGMENT=y
+CONFIG_NET_IPV4_FRAGMENT_MAX_COUNT=3
+CONFIG_NET_IPV4_FRAGMENT_MAX_PKT=7
+CONFIG_NET_IPV4_FRAGMENT_TIMEOUT=3
+CONFIG_NET_IPV6_FRAGMENT=y
+CONFIG_NET_IPV6_FRAGMENT_MAX_COUNT=3
+CONFIG_NET_IPV6_FRAGMENT_MAX_PKT=8
+CONFIG_NET_IPV6_FRAGMENT_TIMEOUT=3
+CONFIG_NET_DHCPV4_SERVER_ICMP_PROBE_TIMEOUT=100
+CONFIG_NET_MAX_CONN=10
+CONFIG_ETH_DRIVER=n
+
+# threads priority
+CONFIG_NET_TC_TX_SKIP_FOR_HIGH_PRIO=y
+CONFIG_NET_MGMT_THREAD_PRIORITY=3
+CONFIG_NXP_WIFI_DRIVER_TASK_PRIO=2