cosmetic: Fix spelling and whitespace errors

Signed-off-by: Thomas Hebb <tommyhebb@gmail.com>

doc/README.SPL

@@ -75,7 +75,7 @@ with:
 - the nodes with one pre-relocation property:
   'u-boot,dm-pre-reloc' or 'u-boot,dm-spl'
 
-ftgrep is also used to remove:
+fdtgrep is also used to remove:
 - the properties defined in CONFIG_OF_SPL_REMOVE_PROPS
 - all the pre-relocation properties
   ('u-boot,dm-pre-reloc', 'u-boot,dm-spl' and 'u-boot,dm-tpl')

doc/README.TPL

@@ -31,7 +31,7 @@ make environment and also appended to CPPFLAGS with -DCONFIG_TPL_BUILD.
 
 The SPL options are shared by SPL and TPL, the board config file should
 determine which SPL options to choose based on whether CONFIG_TPL_BUILD
-is set. Source files can be compiled for TPL with options choosed in the
+is set. Source files can be compiled for TPL with options chosen in the
 board config file.
 
 TPL use a small device tree (u-boot-tpl.dtb), containing only the nodes with

doc/uImage.FIT/source_file_format.txt

@@ -262,7 +262,7 @@ o config-1
   - loadables : Unit name containing a list of additional binaries to be
     loaded at their given locations.  "loadables" is a comma-separated list
     of strings. U-Boot will load each binary at its given start-address and
-    may optionaly invoke additional post-processing steps on this binary based
+    may optionally invoke additional post-processing steps on this binary based
     on its component image node type.
   - compatible : The root compatible string of the U-Boot device tree that
     this configuration shall automatically match when CONFIG_FIT_BEST_MATCH is