[PATCH] merge some from Rusty's trivial patches

This patch contains the most trivial from Rusty's trivial patches:
- spelling fixes
- remove duplicate includes

Signed-off-by: Adrian Bunk <bunk@stusta.de>
Cc: Rusty Russell <rusty@rustcorp.com.au>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

arch/ppc/kernel/cpu_setup_6xx.S

@@ -12,7 +12,6 @@
 #include <linux/config.h>
 #include <asm/processor.h>
 #include <asm/page.h>
-#include <asm/ppc_asm.h>
 #include <asm/cputable.h>
 #include <asm/ppc_asm.h>
 #include <asm/asm-offsets.h>

arch/ppc/kernel/cpu_setup_power4.S

@@ -14,7 +14,6 @@
 #include <asm/page.h>
 #include <asm/ppc_asm.h>
 #include <asm/cputable.h>
-#include <asm/ppc_asm.h>
 #include <asm/asm-offsets.h>
 #include <asm/cache.h>
 

arch/ppc/kernel/dma-mapping.c

@@ -393,7 +393,7 @@ EXPORT_SYMBOL(__dma_sync);
  * __dma_sync_page() implementation for systems using highmem.
  * In this case, each page of a buffer must be kmapped/kunmapped
  * in order to have a virtual address for __dma_sync(). This must
- * not sleep so kmap_atmomic()/kunmap_atomic() are used.
+ * not sleep so kmap_atomic()/kunmap_atomic() are used.
  *
  * Note: yes, it is possible and correct to have a buffer extend
  * beyond the first page.