[FIX] Resolve problem with warnings
microblaze toolchain don't support PRAGMA PACK.
diff --git a/drivers/bios_emulator/bios.c b/drivers/bios_emulator/bios.c
index 7aa1bfb2e..d9ccbf8 100644
--- a/drivers/bios_emulator/bios.c
+++ b/drivers/bios_emulator/bios.c
@@ -41,9 +41,10 @@
 *
 ****************************************************************************/
 
+#if defined(CONFIG_BIOSEMU)
+
 #include "biosemui.h"
 
-#if defined(CONFIG_BIOSEMU)
 /*----------------------------- Implementation ----------------------------*/
 
 /****************************************************************************