microblaze: Use standard interrupt_init() function

Do not use microblaze specific interrupt init function.

Signed-off-by: Michal Simek <michal.simek@xilinx.com>
diff --git a/arch/microblaze/cpu/interrupts.c b/arch/microblaze/cpu/interrupts.c
index f66ec69..b6d6610 100644
--- a/arch/microblaze/cpu/interrupts.c
+++ b/arch/microblaze/cpu/interrupts.c
@@ -109,7 +109,7 @@
 	      intc->iar, intc->mer);
 }
 
-int interrupts_init(void)
+int interrupt_init(void)
 {
 	int i;
 
diff --git a/arch/microblaze/include/asm/microblaze_intc.h b/arch/microblaze/include/asm/microblaze_intc.h
index 0fb9207..6586838 100644
--- a/arch/microblaze/include/asm/microblaze_intc.h
+++ b/arch/microblaze/include/asm/microblaze_intc.h
@@ -34,5 +34,3 @@
  */
 int install_interrupt_handler(int irq, interrupt_handler_t *hdlr,
 				       void *arg);
-
-int interrupts_init(void);
diff --git a/arch/microblaze/lib/board.c b/arch/microblaze/lib/board.c
index 600c80a..bd028a6 100644
--- a/arch/microblaze/lib/board.c
+++ b/arch/microblaze/lib/board.c
@@ -55,7 +55,7 @@
 #endif
 	display_banner,
 #ifndef CONFIG_SPL_BUILD
-	interrupts_init,
+	interrupt_init,
 	timer_init,
 #endif
 	NULL,