Move lib_$ARCH directories to arch/$ARCH/lib

Also move lib_$ARCH/config.mk to arch/$ARCH/config.mk

This change is intended to clean up the top-level directory structure
and more closely mimic Linux's directory organization.

Signed-off-by: Peter Tyser <ptyser@xes-inc.com>
diff --git a/include/asm-i386/interrupt.h b/include/asm-i386/interrupt.h
index 3e2674a..8d324d9 100644
--- a/include/asm-i386/interrupt.h
+++ b/include/asm-i386/interrupt.h
@@ -30,7 +30,7 @@
 /* cpu/i386/interrupts.c */
 void set_vector(u8 intnum, void *routine);
 
-/* lib_i386/interupts.c */
+/* arch/i386/lib/interupts.c */
 void disable_irq(int irq);
 void enable_irq(int irq);
 
diff --git a/include/asm-i386/u-boot-i386.h b/include/asm-i386/u-boot-i386.h
index 7c99c8c..a08632d 100644
--- a/include/asm-i386/u-boot-i386.h
+++ b/include/asm-i386/u-boot-i386.h
@@ -33,7 +33,7 @@
 typedef void (timer_fnc_t) (void);
 int register_timer_isr (timer_fnc_t *isr_func);
 
-/* Architecture specific - can be in cpu/i386/, lib_i386/, or $(BOARD)/ */
+/* Architecture specific - can be in cpu/i386/, arch/i386/lib/, or $(BOARD)/ */
 int timer_init(void);
 
 /* cpu/.../interrupts.c */
@@ -46,7 +46,7 @@
 void isa_unmap_rom(u32 addr);
 u32 isa_map_rom(u32 bus_addr, int size);
 
-/* lib_i386/... */
+/* arch/i386/lib/... */
 int video_bios_init(void);
 int video_init(void);