[v1.03] Lets follow the function prototype rules

src/arm/soc.c

@@ -618,7 +618,7 @@ struct system_on_chip* guess_soc_from_cpuinfo(struct system_on_chip* soc) {
   return soc;
 }
 
-char* get_rk_efuse() {
+char* get_rk_efuse(void) {
   int filelen;
   char* rk_soc = read_file(_PATH_RK_EFUSE0, &filelen);
   if(rk_soc == NULL) {

src/riscv/udev.c

@@ -86,7 +86,7 @@ char* get_uarch_from_cpuinfo(void) {
   return parse_cpuinfo_field(CPUINFO_UARCH_STR);
 }
 
-char* get_extensions_from_cpuinfo() {
+char* get_extensions_from_cpuinfo(void) {
   return parse_cpuinfo_field(CPUINFO_EXTENSIONS_STR);
 }