Add config.h includes directly to source files instead of relying on header chaining

This step is to ensure that removing config.h out of headers will not cause regressions.

fesvr/elfloader.cc

@@ -1,5 +1,6 @@
 // See LICENSE for license details.
 
+#include "config.h"
 #include "elf.h"
 #include "memif.h"
 #include "byteorder.h"

fesvr/htif.cc

@@ -1,5 +1,6 @@
 // See LICENSE for license details.
 
+#include "config.h"
 #include "htif.h"
 #include "rfb.h"
 #include "elfloader.h"

fesvr/syscall.cc

@@ -1,5 +1,6 @@
 // See LICENSE for license details.
 
+#include "config.h"
 #include "syscall.h"
 #include "htif.h"
 #include "byteorder.h"

riscv/csrs.cc

@@ -1,5 +1,6 @@
 // See LICENSE for license details.
 
+#include "config.h"
 // For std::any_of
 #include <algorithm>
 

riscv/dts.cc

@@ -1,5 +1,6 @@
 // See LICENSE for license details.
 
+#include "config.h"
 #include "dts.h"
 #include "libfdt.h"
 #include "platform.h"

riscv/execute.cc

@@ -1,5 +1,6 @@
 // See LICENSE for license details.
 
+#include "config.h"
 #include "processor.h"
 #include "mmu.h"
 #include "disasm.h"

riscv/mmu.cc

@@ -1,5 +1,6 @@
 // See LICENSE for license details.
 
+#include "config.h"
 #include "mmu.h"
 #include "arith.h"
 #include "simif.h"

spike_dasm/spike-dasm.cc

@@ -6,6 +6,7 @@
 // enclosed hexadecimal number, interpreted as a RISC-V
 // instruction.
 
+#include "config.h"
 #include "disasm.h"
 #include "extension.h"
 #include <iostream>

spike_main/spike-log-parser.cc

@@ -5,6 +5,7 @@
 // in its inputs, then output the RISC-V instruction with the disassembly
 // enclosed hexadecimal number.
 
+#include "config.h"
 #include <iostream>
 #include <string>
 #include <cstdint>

spike_main/spike.cc

@@ -1,5 +1,6 @@
 // See LICENSE for license details.
 
+#include "config.h"
 #include "cfg.h"
 #include "sim.h"
 #include "mmu.h"