microblaze: Add IRQENTRY_TEXT to lds

It is important for ftrace irqsoff support

Signed-off-by: Michal Simek <monstr@monstr.eu>
diff --git a/arch/microblaze/kernel/vmlinux.lds.S b/arch/microblaze/kernel/vmlinux.lds.S
index ecee153..5ef619a 100644
--- a/arch/microblaze/kernel/vmlinux.lds.S
+++ b/arch/microblaze/kernel/vmlinux.lds.S
@@ -26,11 +26,12 @@
 		_stext = . ;
 		*(.text .text.*)
 		*(.fixup)
-               EXIT_TEXT
-               EXIT_CALL
+		EXIT_TEXT
+		EXIT_CALL
 		SCHED_TEXT
 		LOCK_TEXT
 		KPROBES_TEXT
+		IRQENTRY_TEXT
 		. = ALIGN (4) ;
 		_etext = . ;
 	}