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>

arch/arm/lib/board.c

@@ -435,7 +435,6 @@ void board_init_f(ulong bootflag)
 	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 @@ void board_init_r(gd_t *id, ulong dest_addr)
 	misc_init_r();
 #endif
 
+	 /* set up exceptions */
+	interrupt_init();
 	/* enable exceptions */
 	enable_interrupts();