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: Ic4d797c59b78529fb2a0290d39d78f1734fb87d0
Signed-off-by: Manojkiran Eda <manojkiran.eda@gmail.com>
diff --git a/configure.ac b/configure.ac
index 869d1ac..475cbfd 100644
--- a/configure.ac
+++ b/configure.ac
@@ -15,7 +15,7 @@
 PKG_CHECK_MODULES([SYSTEMD], [libsystemd >= 221])
 
 # Checks for header files.
-AC_CHECK_HEADER(systemd/sd-bus.h, ,[AC_MSG_ERROR([Could not find systemd/sd-bus.h...systemd developement package required])])
+AC_CHECK_HEADER(systemd/sd-bus.h, ,[AC_MSG_ERROR([Could not find systemd/sd-bus.h...systemd development package required])])
 AC_CHECK_HEADER(linux/bt-bmc.h,[HAVE_LINUX_BT_BMC_H=""],[HAVE_LINUX_BT_BMC_H="-I linux/bt-bmc.h"])
 AS_IF([test "$HAVE_LINUX_BT_BMC_H" != ""],
     AC_MSG_WARN([Could not find linux/bt-bmc.h: Attempting to download locally for building from https://raw.githubusercontent.com/torvalds/linux/master/include/uapi/linux/bt-bmc.h])