Revert "ARM: move interrupt_init to before relocation"

Revert commit 0f5141e9 which causes boards starting in
FLASH to try and write to a FLASH location.

Signed-off-by: Albert ARIBAUD <albert.u.boot@aribaud.net>
diff --git a/arch/arm/lib/board.c b/arch/arm/lib/board.c
index 34f50b0..9c72a53 100644
--- a/arch/arm/lib/board.c
+++ b/arch/arm/lib/board.c
@@ -435,7 +435,6 @@
 	addr_sp += 128;	/* leave 32 words for abort-stack   */
 	gd->irq_sp = addr_sp;
 #endif
-	interrupt_init();
 
 	debug("New Stack Pointer is: %08lx\n", addr_sp);
 
@@ -637,6 +636,8 @@
 	misc_init_r();
 #endif
 
+	 /* set up exceptions */
+	interrupt_init();
 	/* enable exceptions */
 	enable_interrupts();