OTA API refactoring: renamed files and defines

mongoose.h

@@ -1701,13 +1701,13 @@ bool mg_ota_rollback(void);  // Rollback to the previous firmware
 
 
 
-#define MG_SYS_NONE 0      // Dummy system
-#define MG_SYS_STM32H5 1   // STM32 H5
-#define MG_SYS_STM32H7 2   // STM32 H7
-#define MG_SYS_CUSTOM 100  // Custom implementation
+#define MG_DEVICE_NONE 0      // Dummy system
+#define MG_DEVICE_STM32H5 1   // STM32 H5
+#define MG_DEVICE_STM32H7 2   // STM32 H7
+#define MG_DEVICE_CUSTOM 100  // Custom implementation
 
-#ifndef MG_SYS
-#define MG_SYS MG_SYS_NONE
+#ifndef MG_DEVICE
+#define MG_DEVICE MG_DEVICE_NONE
 #endif
 
 // Flash information
@@ -1727,7 +1727,7 @@ bool mg_flash_swap_bank(void);
 bool mg_flash_load(void *sector, uint32_t key, void *buf, size_t len);
 bool mg_flash_save(void *sector, uint32_t key, const void *buf, size_t len);
 
-void mg_sys_reset(void);  // Reboot device immediately
+void mg_device_reset(void);  // Reboot device immediately