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);
 
diff --git a/include/common.h b/include/common.h
index a133e34..7aa910d 100644
--- a/include/common.h
+++ b/include/common.h
@@ -230,7 +230,7 @@
 void	init_cmd_timeout(void);
 void	reset_cmd_timeout(void);
 
-/* lib_$(ARCH)/board.c */
+/* arch/$(ARCH)/lib/board.c */
 void	board_init_f  (ulong) __attribute__ ((noreturn));
 void	board_init_r  (gd_t *, ulong) __attribute__ ((noreturn));
 int	checkboard    (void);
@@ -604,17 +604,17 @@
 /* $(CPU)/.../video.c */
 ulong	video_setmem (ulong);
 
-/* lib_$(ARCH)/cache.c */
+/* arch/$(ARCH)/lib/cache.c */
 void	flush_cache   (unsigned long, unsigned long);
 void	flush_dcache_range(unsigned long start, unsigned long stop);
 void	invalidate_dcache_range(unsigned long start, unsigned long stop);
 
 
-/* lib_$(ARCH)/ticks.S */
+/* arch/$(ARCH)/lib/ticks.S */
 unsigned long long get_ticks(void);
 void	wait_ticks    (unsigned long);
 
-/* lib_$(ARCH)/time.c */
+/* arch/$(ARCH)/lib/time.c */
 void	__udelay      (unsigned long);
 ulong	usec2ticks    (unsigned long usec);
 ulong	ticks2usec    (unsigned long ticks);
diff --git a/include/configs/B2.h b/include/configs/B2.h
index f51a261..ca7350d 100644
--- a/include/configs/B2.h
+++ b/include/configs/B2.h
@@ -207,7 +207,7 @@
 */
 
 /*
-	Linux TAGs (see lib_arm/armlinux.c)
+	Linux TAGs (see arch/arm/lib/armlinux.c)
 */
 #define CONFIG_CMDLINE_TAG
 #undef CONFIG_SETUP_MEMORY_TAGS