adding 7740 support

Author: Brett Forsyth

sdkconfig

@@ -18,6 +18,7 @@ CONFIG_MAKE_WARN_UNDEFINED_VARIABLES=y
 CONFIG_APP_COMPILE_TIME_DATE=y
 CONFIG_APP_EXCLUDE_PROJECT_VER_VAR=
 CONFIG_APP_EXCLUDE_PROJECT_NAME_VAR=
+CONFIG_APP_RETRIEVE_LEN_ELF_SHA=16
 
 #
 # Arduino Configuration
@@ -99,9 +100,9 @@ CONFIG_ESPTOOLPY_BAUD=921600
 CONFIG_ESPTOOLPY_COMPRESSED=y
 CONFIG_FLASHMODE_QIO=
 CONFIG_FLASHMODE_QOUT=
-CONFIG_FLASHMODE_DIO=
-CONFIG_FLASHMODE_DOUT=y
-CONFIG_ESPTOOLPY_FLASHMODE="dout"
+CONFIG_FLASHMODE_DIO=y
+CONFIG_FLASHMODE_DOUT=
+CONFIG_ESPTOOLPY_FLASHMODE="dio"
 CONFIG_ESPTOOLPY_FLASHFREQ_80M=
 CONFIG_ESPTOOLPY_FLASHFREQ_40M=y
 CONFIG_ESPTOOLPY_FLASHFREQ_26M=
@@ -312,9 +313,9 @@ CONFIG_ESP32_REV_MIN_3=
 CONFIG_ESP32_REV_MIN=0
 CONFIG_ESP32_DPORT_WORKAROUND=y
 CONFIG_ESP32_DEFAULT_CPU_FREQ_80=
-CONFIG_ESP32_DEFAULT_CPU_FREQ_160=y
-CONFIG_ESP32_DEFAULT_CPU_FREQ_240=
-CONFIG_ESP32_DEFAULT_CPU_FREQ_MHZ=160
+CONFIG_ESP32_DEFAULT_CPU_FREQ_160=
+CONFIG_ESP32_DEFAULT_CPU_FREQ_240=y
+CONFIG_ESP32_DEFAULT_CPU_FREQ_MHZ=240
 CONFIG_SPIRAM_SUPPORT=y
 
 #
@@ -352,6 +353,7 @@ CONFIG_D2WD_PSRAM_CS_IO=10
 #
 CONFIG_PICO_PSRAM_CS_IO=10
 CONFIG_SPIRAM_SPIWP_SD3_PIN=7
+CONFIG_SPIRAM_2T_MODE=
 CONFIG_MEMMAP_TRACEMEM=
 CONFIG_MEMMAP_TRACEMEM_TWOBANKS=
 CONFIG_ESP32_TRAX=
@@ -464,9 +466,10 @@ CONFIG_PM_ENABLE=
 # Camera configuration
 #
 CONFIG_OV2640_SUPPORT=y
-CONFIG_OV7725_SUPPORT=y
-CONFIG_OV3660_SUPPORT=y
-CONFIG_OV5640_SUPPORT=y
+CONFIG_OV7725_SUPPORT=
+CONFIG_OV3660_SUPPORT=
+CONFIG_OV5640_SUPPORT=
+CONFIG_OV7740_SUPPORT=y
 CONFIG_SCCB_HARDWARE_I2C=y
 CONFIG_SCCB_HARDWARE_I2C_PORT0=
 CONFIG_SCCB_HARDWARE_I2C_PORT1=y
@@ -647,6 +650,7 @@ 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
@@ -925,3 +929,8 @@ CONFIG_WL_SECTOR_SIZE=4096
 # Wi-Fi Provisioning Manager
 #
 CONFIG_WIFI_PROV_SCAN_MAX_ENTRIES=16
+
+#
+# Supplicant
+#
+CONFIG_WPA_WPS_WARS=