While applying [1] and cleaning up, the commit "d167f7006e
package/qoriq-rcw: add in-tree rcw source support" ended up keeping an
unused define.
Drop it now.
[1] http://patchwork.ozlabs.org/project/buildroot/patch/20200207083857.28058-4-jerry.huang@nxp.com/
Cc: Matt Weber <matthew.weber@collins.com>
Signed-off-by: Ricardo Martincoski <ricardo.martincoski@gmail.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
(cherry picked from commit 41aa369d01)
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>