opkg_%.bbappend: Fix directory creation
opkg_%.bbappend: Fix directory creation

Introduced in cd8bd2642 ("opkg_%.bbappend: Add arch config for arm kernel packages")
the append for arm created a directory that is not installed by any
package, introducing a build-time warning at the same time as
not accomplishing the oroginal goal of being safe, ensuring that a
directory exists before installing a file to it.

Fixes: cd8bd2642 ("opkg_%.bbappend: Add arch config for arm kernel packages")
Signed-off-by: Brad Mouring <58d99a887450796456131638ba4c43b5ba95afcf@ni.com>
Acked-by: Alex Stewart <04cdb2793e4fb0120cc30d1c823099f3862701f4@ni.com>
Acked-by: Ken Sharp <e6c8ad8f54d15df4645e8aaf3f7a209bc3688570@ni.com>
Natinst-ReviewBoard-ID: 204441

ni/meta-nilrt,ni/meta-nilrt,ni/meta-nilrt,ni/meta-nilrt,ni/meta-nilrt