boards/esp32-devkitc: Remove useless configs from PSRAM defconfig.

Signed-off-by: Abdelatif Guettouche <abdelatif.guettouche@espressif.com>

boards/xtensa/esp32/esp32-devkitc/configs/psram/defconfig

@@ -6,6 +6,7 @@
 # modifications.
 #
 # CONFIG_ARCH_LEDS is not set
+# CONFIG_ESP32_SPIRAM_BANKSWITCH_ENABLE is not set
 # CONFIG_NSH_ARGCAT is not set
 # CONFIG_NSH_CMDOPT_HEXDUMP is not set
 # CONFIG_NSH_CMDPARMS is not set
@@ -20,7 +21,6 @@ CONFIG_ARCH_XTENSA=y
 CONFIG_BOARD_LOOPSPERMSEC=16717
 CONFIG_BUILTIN=y
 CONFIG_DEV_ZERO=y
-CONFIG_ESP32_EMAC=y
 CONFIG_ESP32_SPIRAM=y
 CONFIG_ESP32_UART0=y
 CONFIG_FS_PROCFS=y
@@ -30,27 +30,12 @@ CONFIG_HEAP2_BASE=0x3F800000
 CONFIG_HEAP2_SIZE=4194304
 CONFIG_IDLETHREAD_STACKSIZE=3072
 CONFIG_INTELHEX_BINARY=y
+CONFIG_IOB_NBUFFERS=36
+CONFIG_IOB_NCHAINS=36
+CONFIG_IOB_THROTTLE=8
 CONFIG_MAX_TASKS=16
+CONFIG_MM_IOB=y
 CONFIG_MM_REGIONS=4
-CONFIG_NETDB_DNSCLIENT=y
-CONFIG_NETDB_DNSSERVER_IPv4ADDR=0x08080808
-CONFIG_NETDB_HOSTFILE=y
-CONFIG_NETDEVICES=y
-CONFIG_NETDEV_PHY_IOCTL=y
-CONFIG_NETINIT_DRIPADDR=0xc0a80f01
-CONFIG_NETINIT_IPADDR=0xc0a80f64
-CONFIG_NETINIT_THREAD=y
-CONFIG_NETUTILS_TELNETD=y
-CONFIG_NETUTILS_TFTPC=y
-CONFIG_NETUTILS_WEBCLIENT=y
-CONFIG_NET_ARP_SEND=y
-CONFIG_NET_BROADCAST=y
-CONFIG_NET_ICMP=y
-CONFIG_NET_ICMP_SOCKET=y
-CONFIG_NET_TCP=y
-CONFIG_NET_TCPBACKLOG=y
-CONFIG_NET_TCP_WRITE_BUFFERS=y
-CONFIG_NET_UDP=y
 CONFIG_NSH_ARCHINIT=y
 CONFIG_NSH_BUILTIN_APPS=y
 CONFIG_NSH_FILEIOSIZE=512
@@ -69,7 +54,6 @@ CONFIG_START_DAY=6
 CONFIG_START_MONTH=12
 CONFIG_START_YEAR=2011
 CONFIG_SYSTEM_NSH=y
-CONFIG_SYSTEM_PING=y
 CONFIG_SYSTEM_RAMTEST=y
 CONFIG_UART0_SERIAL_CONSOLE=y
 CONFIG_USER_ENTRYPOINT="nsh_main"