Blackfin arch: mark some functions as __init as they are only called from __init functions

Signed-off-by: Mike Frysinger <vapier.adi@gmail.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>

diff --git a/arch/blackfin/mach-bf537/ints-priority.c b/arch/blackfin/mach-bf537/ints-priority.c
index a8b915f..b1300b3 100644
--- a/arch/blackfin/mach-bf537/ints-priority.c
+++ b/arch/blackfin/mach-bf537/ints-priority.c
@@ -31,7 +31,7 @@
 #include <linux/irq.h>
 #include <asm/blackfin.h>
 
-void program_IAR(void)
+void __init program_IAR(void)
 {
 	/* Program the IAR0 Register with the configured priority */
 	bfin_write_SIC_IAR0(((CONFIG_IRQ_PLL_WAKEUP - 7) << IRQ_PLL_WAKEUP_POS) |