make SPIRAM optional

Author: geeksville

sdkconfig

@@ -310,7 +310,7 @@ CONFIG_SPIRAM_SUPPORT=y
 # SPI RAM config
 #
 CONFIG_SPIRAM_BOOT_INIT=y
-CONFIG_SPIRAM_IGNORE_NOTFOUND=
+CONFIG_SPIRAM_IGNORE_NOTFOUND=y
 CONFIG_SPIRAM_USE_MEMMAP=
 CONFIG_SPIRAM_USE_CAPS_ALLOC=y
 CONFIG_SPIRAM_USE_MALLOC=
@@ -644,6 +644,7 @@ CONFIG_LWIP_IRAM_OPTIMIZATION=
 CONFIG_LWIP_MAX_SOCKETS=10
 CONFIG_LWIP_RANDOMIZE_INITIAL_LOCAL_PORTS=y
 CONFIG_USE_ONLY_LWIP_SELECT=
+CONFIG_LWIP_SO_LINGER=
 CONFIG_LWIP_SO_REUSE=y
 CONFIG_LWIP_SO_REUSE_RXTOALL=y
 CONFIG_LWIP_SO_RCVBUF=y
@@ -923,3 +924,8 @@ CONFIG_WL_SECTOR_SIZE=4096
 # Wi-Fi Provisioning Manager
 #
 CONFIG_WIFI_PROV_SCAN_MAX_ENTRIES=16
+
+#
+# Supplicant
+#
+CONFIG_WPA_WPS_WARS=y