fix general spelling issues

these causes the CodeSpell check on CI to fail

Signed-off-by: Cristina Suteu <cristina.suteu@analog.com>

Signed-off-by: Cristina Suteu <cristina.suteu@analog.com>

CODE_OF_CONDUCT.md

@@ -6,7 +6,7 @@ In the interest of fostering an open and welcoming environment, we as
 contributors and maintainers pledge to making participation in our project and
 our community a harassment-free experience for everyone, regardless of age, body
 size, disability, ethnicity, sex characteristics, gender identity and expression,
-level of experience, education, socio-economic status, nationality, personal
+level of experience, education, socioeconomic status, nationality, personal
 appearance, race, religion, or sexual identity and orientation.
 
 ## Our Standards

mainpage.dox

@@ -270,7 +270,7 @@ This means applications compiled against an older version will work fine with a
 
 \example iio_attr.c Part of the libiio-utilites, iio_attr is a utility for displaying information about local or remote IIO devices. By providing an optional value, iio_attr will attempt to write the new value to the attribute.
 \example iio_info.c Part of the libiio-utilites, iio_info is a utility for displaying information about local or remote IIO devices.
-\example iio_readdev.c Part of the libiio-utilites, iio_readdev is a utility for reading buffers from connected IIO devices, and sending resutls to standard out.
+\example iio_readdev.c Part of the libiio-utilites, iio_readdev is a utility for reading buffers from connected IIO devices, and sending results to standard out.
 \example iio_writedev.c Part of the libiio-utilites, iio_writedev is a utility for writing buffers from connected IIO devices.
 \example iio_reg.c Part of the libiio-utilites, iio_reg is a utility for debugging local IIO devices. It should not be used by normal users, and is normally used by driver developers during development, or by end users debugging a driver, or sending in a feature request. It provides a mechanism to read or write SPI or I2C registers for IIO devices.
 \example ad9361-iiostream.c   This example libiio program is meant to exercise the features of IIO functionality on the AD9361 found on the AD-FMCOMMS2-EBZ, AD-FMCOMMS3-EBZ, and the ADRV9361-Z7035 RF SOM.

man/iio_rwdev.1.in

@@ -34,7 +34,7 @@ iio_rwdev \- read/write buffers from/to an IIO device
 [-n <hostname>] [-t <trigger>] [-T <timeout-ms>] [-b <buffer-size>] [-s <samples>] [-w] <iio_device> [<channel> ...]
 .SH DESCRIPTION
 .B iio_reg
-is a utility for reading buffers from connected IIO devices, and sending resutls to standard out.
+is a utility for reading buffers from connected IIO devices, and sending results to standard out.
 
 .SH OPTIONS
 ##COMMON_COMMANDS_START##