powerpc: Various typo fixes

Signed-off-by: Andrea Gelmini <andrea.gelmini@gelma.net>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
diff --git a/arch/powerpc/lib/rheap.c b/arch/powerpc/lib/rheap.c
index 69abf84..94058c2 100644
--- a/arch/powerpc/lib/rheap.c
+++ b/arch/powerpc/lib/rheap.c
@@ -325,7 +325,7 @@
 }
 EXPORT_SYMBOL_GPL(rh_init);
 
-/* Attach a free memory region, coalesces regions if adjuscent */
+/* Attach a free memory region, coalesces regions if adjacent */
 int rh_attach_region(rh_info_t * info, unsigned long start, int size)
 {
 	rh_block_t *blk;