fix: use bool instead of _Bool also in generated code. (#390)

All other previous usages of _Bool were already removed
in PR #268.

These seem to be the last two left.

This patch is actually necessary in some compiler scenarios using Musl.

Co-authored-by: Francesco Cervigni <f.cervigni@ext.mylight-systems.com>

scripts/error_code_generator_defs/error_code_defs_generator.py

@@ -46,15 +46,15 @@
 /**
 * @brief Determines if a result code is succeeded.
 */
-static inline _Bool IsAducResultCodeSuccess(const ADUC_Result_t resultCode)
+static inline bool IsAducResultCodeSuccess(const ADUC_Result_t resultCode)
 {{
     return (resultCode > 0);
 }}
 
 /**
 * @brief Determines if a result code is failed.
 */
-static inline _Bool IsAducResultCodeFailure(const ADUC_Result_t resultCode)
+static inline bool IsAducResultCodeFailure(const ADUC_Result_t resultCode)
 {{
     return (resultCode <= 0);
 }}