eliminate arch_config_name variable

Not needed anymore, as the code that uses the variable is already inside
arch_init.c.

Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>

arch_init.c

diff --git a/arch_init.c b/arch_init.c
index 4008115..152cbbb 100644
--- a/arch_init.c
+++ b/arch_init.c
@@ -54,7 +54,6 @@
 int graphic_depth = 15;
 #endif
 
-const char arch_config_name[] = CONFIG_QEMU_CONFDIR "/target-" TARGET_ARCH ".conf";
 
 #if defined(TARGET_ALPHA)
 #define QEMU_ARCH QEMU_ARCH_ALPHA
@@ -122,7 +121,7 @@
         return ret;
     }
 
-    ret = qemu_read_config_file(arch_config_name);
+    ret = qemu_read_config_file(CONFIG_QEMU_CONFDIR "/target-" TARGET_ARCH ".conf");
     if (ret < 0 && ret != -ENOENT) {
         return ret;
     }

arch_init.h

diff --git a/arch_init.h b/arch_init.h
index 828256c..c7cb94a 100644
--- a/arch_init.h
+++ b/arch_init.h
@@ -1,8 +1,6 @@
 #ifndef QEMU_ARCH_INIT_H
 #define QEMU_ARCH_INIT_H
 
-extern const char arch_config_name[];
-
 enum {
     QEMU_ARCH_ALL = -1,
     QEMU_ARCH_ALPHA = 1,