openssl: disable ccache usage
ccache and openssl don't get on:
| make[1]: Entering directory '/home/prj/yocto/build/tmp/work/core2-64-poky-linux/openssl/1.0.2o-r0/openssl-1.0.2o/crypto'
| ccache: invalid option -- 'D'
Disable the use of ccache in the openssl recipe until someone root-causes this.
[ YOCTO #12810 ]
(From OE-Core rev:
8f9ceebb197dba10f2d08449de2dd64584de06bb)
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>