i2c: slave: fix the example how to instantiate from userspace
i2c: slave: fix the example how to instantiate from userspace

I copied the wrong shell code into the documentation. Sorry to all who
tried to get sense out of this current example :/ Slight rewording while
we are here.

Reported-by: Tim Bakker <e4edc878f255e48ee704849607266708a0751d5c@mymail.vcu.edu>
Signed-off-by: Wolfram Sang <66ab244bc42248f12645ba300439b5263f6a6fca@sang-engineering.com>
Signed-off-by: Wolfram Sang <fd4ce474653598159cad06f3c83387a05cd53a44@the-dreams.de>
Cc: 4fbacc2fa0ffdbb11bf1ad6925b886ebd08dd15f@kernel.org

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs