docs/manual/customize-outside-br.adoc: fix 'or' typo

It is OR, not OT.

Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>
(cherry picked from commit 777c081abef77511da585c53b9de4e44b913af46)
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

docs/manual/customize-outside-br.adoc

@@ -191,7 +191,7 @@ tree.
 
 For some packages, Buildroot provides a choice between two (or more)
 implementations of API-compatible such packages. For example, there is
-a choice to choose either libjpeg ot jpeg-turbo; there is one between
+a choice to choose either libjpeg or jpeg-turbo; there is one between
 openssl or libressl; there is one to select one of the known,
 pre-configured toolchains...