populate_sdk_base: improve POSIXLY_CORRECT compat
The install script is sometimes called under POSIXLY_CORRECT. This
requires two fixes be made:
1. `find -perm /0000` is a gnuism; replace with an equivalent boolean
expression using `-perm -0000`.
2. POSIX grep requires that all options be passed on the command line
before all files; otherwise, the options must be parsed as filenames.
(From OE-Core rev:
0870d9115546ad3b456af52ed45e46e637874a48)
Signed-off-by: Richard Tollerton <rich.tollerton@ni.com>
Signed-off-by: Ross Burton <ross.burton@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
Signed-off-by: Armin Kuster <akuster808@gmail.com>
