The BR2_EXTERNAL documentation improperly tells to use the
BR2_EXTERNAL_<name>_DIR variable to reference the location of the
BR2_EXTERNAL directory. But in fact the variable is named
BR2_EXTERNAL_<name>_PATH.
In addition, some closing double quotes were missing.
This commit fixes both of those issues.
Signed-off-by: Jerry Evans <g4@novadsp.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>