Fix spelling mistakes using codespell

This commit corrects various spelling mistakes throughout the
repository. The corrections were made automatically using `codespell`[1]
tool.

[1]: https://github.com/codespell-project/codespell

Change-Id: Ia6b70713d3e9b77d6fd2d9400489ef7f02360364
Signed-off-by: Manojkiran Eda <manojkiran.eda@gmail.com>
diff --git a/build-setup.sh b/build-setup.sh
index 0285aea..529cdad 100755
--- a/build-setup.sh
+++ b/build-setup.sh
@@ -44,7 +44,7 @@
 #                     Default: "qemuarm"
 #  no_tar             Set to true if you do not want the debug tar built
 #                     Default: "false"
-#  nice_priority      Set nice priotity for bitbake command.
+#  nice_priority      Set nice priority for bitbake command.
 #                     Nice:
 #                       Run with an adjusted niceness, which affects process
 #                       scheduling. Nice values range from -20 (most favorable