microblaze: Add checking mechanism for MSR instruction

It was necessary to use fourth parameter(r8) in early_printk
to show messages on console.

Signed-off-by: Michal Simek <monstr@monstr.eu>
diff --git a/arch/microblaze/include/asm/setup.h b/arch/microblaze/include/asm/setup.h
index 27f8daf..ed67c9e 100644
--- a/arch/microblaze/include/asm/setup.h
+++ b/arch/microblaze/include/asm/setup.h
@@ -38,7 +38,7 @@
 void time_init(void);
 void init_IRQ(void);
 void machine_early_init(const char *cmdline, unsigned int ram,
-						unsigned int fdt);
+			unsigned int fdt, unsigned int msr);
 
 void machine_restart(char *cmd);
 void machine_shutdown(void);