[v1.03] Add common soc.c/.h for both ARM and RISC-V

src/riscv/soc.h

@@ -1,29 +1,10 @@
-#ifndef __SOC__
-#define __SOC__
+#ifndef __SOC_RISCV__
+#define __SOC_RISCV__
 
+#include "../common/soc.h"
 #include "../common/cpu.h"
 #include <stdint.h>
 
-typedef int32_t SOC;
-
-enum {
-  SOC_VENDOR_UNKNOWN,
-  SOC_VENDOR_SIFIVE,
-  SOC_VENDOR_STARFIVE,
-  SOC_VENDOR_ALLWINNER
-};
-
-struct system_on_chip {
-  SOC soc_model;
-  VENDOR soc_vendor;
-  int32_t process;
-  char* soc_name;
-  char* raw_name;
-};
-
 struct system_on_chip* get_soc(void);
-char* get_soc_name(struct system_on_chip* soc);
-VENDOR get_soc_vendor(struct system_on_chip* soc);
-char* get_str_process(struct system_on_chip* soc);
 
 #endif