mm: fix some typos in mm module

mm: fix some typos in mm module

Below are some typos in the code comments:

  intevals ==> intervals
  addesses ==> addresses
  unavaliable ==> unavailable
  facor ==> factor
  droping ==> dropping
  exlusive ==> exclusive
  decription ==> description
  confict ==> conflict
  desriptions ==> descriptions
  otherwize ==> otherwise
  vlaue ==> value
  cheching ==> checking
  exisitng ==> existing
  modifed ==> modified
  differenciate ==> differentiate
  refernece ==> reference
  permissons ==> permissions
  indepdenent ==> independent
  spliting ==> splitting

Just fix it.

Link: https://lkml.kernel.org/r/20250929002608.1633825-1-jianyungao89@gmail.com
Signed-off-by: jianyun.gao <jianyungao89@gmail.com>
Reviewed-by: SeongJae Park <sj@kernel.org>
Reviewed-by: Wei Yang <richard.weiyang@gmail.com>
Reviewed-by: Dev Jain <dev.jain@arm.com>
Reviewed-by: Liam R. Howlett <Liam.Howlett@oracle.com>
Acked-by: Chris Li <chrisl@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>