sh: Cleanup board header directories.

Now with the ide.h mess sorted out, most of these boards
don't need their own directory. Move the headers out, and
update the driver paths.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>

arch/sh/boards/hp6xx/hp6xx_apm.c

@@ -14,7 +14,7 @@
 #include <asm/io.h>
 #include <asm/apm.h>
 #include <asm/adc.h>
-#include <asm/hp6xx/hp6xx.h>
+#include <asm/hp6xx.h>
 
 #define SH7709_PGDR			0xa400012c
 

arch/sh/boards/hp6xx/pm.c

@@ -12,7 +12,7 @@
 #include <linux/time.h>
 #include <asm/io.h>
 #include <asm/hd64461.h>
-#include <asm/hp6xx/hp6xx.h>
+#include <asm/hp6xx.h>
 #include <asm/cpu/dac.h>
 #include <asm/pm.h>
 

arch/sh/boards/hp6xx/setup.c

@@ -13,7 +13,7 @@
 #include <asm/hd64461.h>
 #include <asm/io.h>
 #include <asm/irq.h>
-#include <asm/hp6xx/hp6xx.h>
+#include <asm/hp6xx.h>
 #include <asm/cpu/dac.h>
 
 #define	SCPCR	0xa4000116