gst-validate: Move recipe specific patch to dedicated subdirectory

This does not belong in files/, since that subdirectory is where patches
that aren't recipe specific are located. This patch however is gst-validate
specific.

Signed-off-by: Carlos Rafael Giani <crg7475@mailbox.org>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

diff --git a/meta/recipes-multimedia/gstreamer/files/0001-connect-has-a-different-signature-on-musl.patch b/meta/recipes-multimedia/gstreamer/gst-validate/0001-connect-has-a-different-signature-on-musl.patch
similarity index 100%
rename from meta/recipes-multimedia/gstreamer/files/0001-connect-has-a-different-signature-on-musl.patch
rename to meta/recipes-multimedia/gstreamer/gst-validate/0001-connect-has-a-different-signature-on-musl.patch