boards/esp32s2-saola-1: Add example defconfig for booting from MCUboot

Signed-off-by: Gustavo Henrique Nihei <gustavo.nihei@espressif.com>

boards/xtensa/esp32s2/esp32s2-saola-1/configs/mcuboot_nsh/defconfig

@@ -0,0 +1,49 @@
+#
+# This file is autogenerated: PLEASE DO NOT EDIT IT.
+#
+# You can use "make menuconfig" to make any modifications to the installed .config file.
+# You can then do "make savedefconfig" to generate a new defconfig file that includes your
+# modifications.
+#
+# CONFIG_ARCH_LEDS is not set
+# CONFIG_NSH_ARGCAT is not set
+# CONFIG_NSH_CMDOPT_HEXDUMP is not set
+# CONFIG_NSH_CMDPARMS is not set
+CONFIG_ARCH="xtensa"
+CONFIG_ARCH_BOARD="esp32s2-saola-1"
+CONFIG_ARCH_BOARD_ESP32S2_SAOLA_1=y
+CONFIG_ARCH_CHIP="esp32s2"
+CONFIG_ARCH_CHIP_ESP32S2=y
+CONFIG_ARCH_CHIP_ESP32S2WROVER=y
+CONFIG_ARCH_STACKDUMP=y
+CONFIG_ARCH_XTENSA=y
+CONFIG_BOARD_LOOPSPERMSEC=16717
+CONFIG_BUILTIN=y
+CONFIG_ESP32S2_APP_FORMAT_MCUBOOT=y
+CONFIG_ESP32S2_DATA_CACHE_0KB=y
+CONFIG_ESP32S2_SPIFLASH=y
+CONFIG_ESP32S2_UART0=y
+CONFIG_EXPERIMENTAL=y
+CONFIG_FS_PROCFS=y
+CONFIG_HAVE_CXX=y
+CONFIG_HAVE_CXXINITIALIZE=y
+CONFIG_IDLETHREAD_STACKSIZE=3072
+CONFIG_INTELHEX_BINARY=y
+CONFIG_NSH_ARCHINIT=y
+CONFIG_NSH_BUILTIN_APPS=y
+CONFIG_NSH_FILEIOSIZE=512
+CONFIG_NSH_LINELEN=64
+CONFIG_NSH_READLINE=y
+CONFIG_PREALLOC_TIMERS=4
+CONFIG_RAM_SIZE=114688
+CONFIG_RAM_START=0x20000000
+CONFIG_RAW_BINARY=y
+CONFIG_RR_INTERVAL=200
+CONFIG_SCHED_WAITPID=y
+CONFIG_SDCLONE_DISABLE=y
+CONFIG_START_DAY=6
+CONFIG_START_MONTH=12
+CONFIG_START_YEAR=2011
+CONFIG_SYSTEM_NSH=y
+CONFIG_UART0_SERIAL_CONSOLE=y
+CONFIG_USER_ENTRYPOINT="nsh_main"