powerpc/fadump: Correct two typos in a comment

Fix typos of 'remaining' and 'those'.
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Suggested-by: Matthew Wilcox <willy@infradead.org> # 'remaining'
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20211030002619.2063-1-rdunlap@infradead.org

arch/powerpc/kernel/fadump.c

@@ -73,8 +73,8 @@ static struct cma *fadump_cma;
  * The total size of fadump reserved memory covers for boot memory size
  * + cpu data size + hpte size and metadata.
  * Initialize only the area equivalent to boot memory size for CMA use.
- * The reamining portion of fadump reserved memory will be not given
- * to CMA and pages for thoes will stay reserved. boot memory size is
+ * The remaining portion of fadump reserved memory will be not given
+ * to CMA and pages for those will stay reserved. boot memory size is
  * aligned per CMA requirement to satisy cma_init_reserved_mem() call.
  * But for some reason even if it fails we still have the memory reservation
  * with us and we can still continue doing fadump.