Fix checking of negative with unsigned variables.
Check digestSz for 0 in wc_SSH_KDF() so that no possibility of dividing
by zero.
Change XMEMCPY to XMEMSET in renesas_sce_util.c.
Fix test.c to free prvTmp and pubTmp on read error.
Remove unused variables.
XFREE checks for NULL so don't check before call.
Move variable declarations to reduce scope.
* Add introspection for math build.
* Raise build error if more than one multi-precision math library used.
* Fix ESP32 to support using any multi-precision math option.
* Refactor math headers to use `wolfmath.h`
* Refactor of the opaque math variable type `MATH_INT_T` used by crypto hardware (QuickAssist, SE050, ESP32 and STM32).
* Cleanups for building with `WOLFCRYPT_ONLY` and `NO_BIG_INT`.
* Stop forcing use of fast math by default for platforms in settings.h. Note: For users that still want to use fast math (tfm.c) they will need to add USE_FAST_MATH to their build settings.
Applies To:
```
WOLFSSL_ESPWROOM32
WOLFSSL_ESPWROOM32SE
MICROCHIP_PIC32
WOLFSSL_PICOTCP_DEMO
WOLFSSL_UTASKER
WOLFSSL_NRF5x
FREERTOS_TCP
WOLFSSL_TIRTOS
EBSNET
FREESCALE_COMMON
FREESCALE_KSDK_BM
WOLFSSL_DEOS
MICRIUM
WOLFSSL_SGX
```
* Espressif examples run with local wolfSSL (no setup!)
* include.am Espressif local no-setup component files
* cleanup Espressif Example CMakeLists.txt, use function
* multiple wolfSSL installs is now a fatal Espressif build error
* Examples no longer need setup
* CompileAll builds local examples, not IDF_PATH ones
* Espressif compileAllExamples both local & ESP-IDF components
* add wolfssl_test_idf test project
* move VisualGDB projects to subdirectories
* move VisualGDB wolfssl_server to subdirectory
* update include.am for moved VisualGDB project files
* Fix for STM32 Hash peripherals (like on F437) with FIFO depth = 1.
* Cleanups for `XREALLOC` and new `WOLFSSL_NO_REALLOC` to force undef of `XREALLOC`.
* Change STM32 Cube to default to `NO_TLS_UART_TEST`.
* Refactor GitHub actions and add ESP tests.
* Add script for building all examples for ESP.
* Fixes for ESP-IDF v5.0
* Consolidating Espressif files into a single include.am
Co-authored-by: Andras Fekete <andras@wolfssl.com>
Tidy up Espressif ESP32 test and benchmark examples:
* add VisualGDB project and solution files for server and client
* "hardware in use revert to software" is now verbose level message
* Remove (void) TAG; - not needed to appease compiler
* include esp_log.h lib with defined(WOLFSSL_ESPIDF)
* large ESP32 default stack size
* check for max number of arguments assembled into array
* cleanup & comments per code review
* wolfssl_test VisualGDB updates
* Espressif wolfssl_test default stack 55,000 bytes
