Add '$' to fix a patch which adds pkgconfig support to libksba.
(From OE-Core rev: cf3c5a6253e14576a63dde20682ab2cc50bdcbfe)
Signed-off-by: Trevor Woerner <twoerner@gmail.com>
Signed-off-by: Ross Burton <ross.burton@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>