x86: Rename PORT_RESET to IO_PORT_RESET

This same name is used in USB. Add a prefix to distinguish it.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
diff --git a/arch/x86/include/asm/processor.h b/arch/x86/include/asm/processor.h
index 7c77b90..cefc633 100644
--- a/arch/x86/include/asm/processor.h
+++ b/arch/x86/include/asm/processor.h
@@ -36,7 +36,7 @@
  *
  * The naming follows Intel's naming.
  */
-#define PORT_RESET		0xcf9
+#define IO_PORT_RESET		0xcf9
 
 enum {
 	SYS_RST		= 1 << 1,	/* 0 for soft reset, 1 for hard reset */