kernel/zynq: Create kernel files for v6.1 (from v5.15)

This is an automatically generated commit.

When doing `git bisect`, consider `git bisect --skip`.

Signed-off-by: Nick Hainke <vincent@systemli.org>

diff --git a/target/linux/zynq/config-5.15 b/target/linux/zynq/config-6.1
similarity index 100%
rename from target/linux/zynq/config-5.15
rename to target/linux/zynq/config-6.1