cxx/esp_hw_support: added build test, changed parameter types

Changed rv_utils_intr_edge_ack and esp_cpu_intr_edge_ack to
take uint32_t instead of int to avoid build errors.

The test is to test in particular that __builtin_ffsll, used in
xt_utils.h, which is included via esp_cpu.h, compiles fine
in C++20 with -Wsign-conversion enabled.

Closes https://github.com/espressif/esp-idf/pull/10895

tools/test_apps/system/cxx_build_test/main/CMakeLists.txt

@@ -1,5 +1,8 @@
 idf_component_register(SRCS cxx_build_test_main.cpp
                             test_soc_reg_macros.cpp
+                            test_esp_hw_support.cpp
                        INCLUDE_DIRS "."
                        PRIV_REQUIRES driver
                        REQUIRES soc)
+
+set_source_files_properties(test_esp_hw_support.cpp PROPERTIES COMPILE_FLAGS -Wsign-conversion)

tools/test_apps/system/cxx_build_test/main/test_esp_hw_support.cpp

@@ -0,0 +1,41 @@
+/*
+ * SPDX-FileCopyrightText: 2023 Espressif Systems (Shanghai) CO LTD
+ *
+ * SPDX-License-Identifier: Unlicense OR CC0-1.0
+ */
+
+#include "esp_cpu.h"
+#include "clk_ctrl_os.h"
+//#include "clk_tree.h" TODO: outdated header name (IDF-7286)
+#include "dport_access.h"
+#include "esp_async_memcpy.h"
+#include "esp_chip_info.h"
+#include "esp_crc.h"
+#include "esp_etm.h"
+#include "esp_fault.h"
+#include "esp_interface.h"
+#include "esp_intr_alloc.h"
+#include "esp_mac.h"
+#include "esp_memory_utils.h"
+#include "esp_memprot_err.h"
+#include "esp_memprot.h"
+#include "esp_memprot_types.h"
+#include "esp_random.h"
+#include "esp_sleep.h"
+#include "esp_wake_stub.h"
+#include "intr_types.h"
+#include "rtc_wdt.h"
+#include "spinlock.h"
+
+#include "soc/soc_caps.h"
+
+#if SOC_HMAC_SUPPORTED
+#include "esp_hmac.h"
+#endif
+
+#if SOC_DIG_SIGN_SUPPORTED
+#include "esp_ds_err.h"
+#include "esp_ds.h"
+#endif
+
+extern "C" void app_main() { }