Various, accumulated typos collected from around the tree.

Fix various misspellings of:

 * deprecated
 * partition
 * preceding,preceded
 * preparation
 * its versus it's
 * export
 * existing
 * scenario
 * redundant
 * remaining
 * value
 * architecture

Signed-off-by: Robert P. J. Day <rpjday@crashcourse.ca>
Reviewed-by: Jagan Teki <jteki@openedev.com>
Reviewed-by: Stefan Roese <sr@denx.de>
diff --git a/include/s_record.h b/include/s_record.h
index 6db7174..81245ba 100644
--- a/include/s_record.h
+++ b/include/s_record.h
@@ -29,7 +29,7 @@
  *     2  data record with 24-bit address
  *     3  data record with 32-bit address
  *     4  symbol record (LSI extension)
- *     5  number of data records in preceeding block
+ *     5  number of data records in preceding block
  *     6  unused
  *     7  ending record for S3 records
  *     8  ending record for S2 records