Documentation: s390: correct spelling

Correct spelling problems for Documentation/s390/ as reported
by codespell.
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Acked-by: Heiko Carstens <hca@linux.ibm.com>
Link: https://lore.kernel.org/r/20230209071400.31476-16-rdunlap@infradead.orgSigned-off-by: Heiko Carstens <hca@linux.ibm.com>

Documentation/s390/pci.rst

@@ -51,7 +51,7 @@ Entries specific to zPCI functions and entries that hold zPCI information.
 
   The slot entries are set up using the function identifier (FID) of the
   PCI function. The format depicted as XXXXXXXX above is 8 hexadecimal digits
-  with 0 padding and lower case hexadecimal digitis.
+  with 0 padding and lower case hexadecimal digits.
 
   - /sys/bus/pci/slots/XXXXXXXX/power
 
@@ -66,7 +66,7 @@ Entries specific to zPCI functions and entries that hold zPCI information.
 
   - function_handle
     Low-level identifier used for a configured PCI function.
-    It might be useful for debuging.
+    It might be useful for debugging.
 
   - pchid
     Model-dependent location of the I/O adapter.

Documentation/s390/vfio-ccw.rst

@@ -176,7 +176,7 @@ The process of how these work together.
    Use the 'mdev_create' sysfs file, we need to manually create one (and
    only one for our case) mediated device.
 3. vfio_mdev.ko drives the mediated ccw device.
-   vfio_mdev is also the vfio device drvier. It will probe the mdev and
+   vfio_mdev is also the vfio device driver. It will probe the mdev and
    add it to an iommu_group and a vfio_group. Then we could pass through
    the mdev to a guest.