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/tools/fdtgrep.c b/tools/fdtgrep.c
index 8d3fef4..b907827 100644
--- a/tools/fdtgrep.c
+++ b/tools/fdtgrep.c
@@ -405,7 +405,7 @@
  * The output of this function may or may not be a valid FDT. To ensure it
  * is, these disp->flags must be set:
  *
- *   FDT_REG_SUPERNODES: ensures that subnodes are preceeded by their
+ *   FDT_REG_SUPERNODES: ensures that subnodes are preceded by their
  *		parents. Without this option, fragments of subnode data may be
  *		output without the supernodes above them. This is useful for
  *		hashing but cannot produce a valid FDT.