Fix some obvious typos across multiple subsystems.

Typoes fixed:

  "partion" -> "partition"
  "retrive", "retreive" -> "retrieve"
  "th" -> "to"

Signed-off-by: Robert P. J. Day <rpjday@crashcourse.ca>
diff --git a/drivers/block/sym53c8xx.c b/drivers/block/sym53c8xx.c
index c538e37..6f1ac85 100644
--- a/drivers/block/sym53c8xx.c
+++ b/drivers/block/sym53c8xx.c
@@ -248,7 +248,7 @@
 
 /******************************************************************************
  * sets-up the SCSI controller
- * the base memory address is retrived via the pci_read_config_dword
+ * the base memory address is retrieved via the pci_read_config_dword
  */
 void scsi_low_level_init(int busdevfunc)
 {