kexecboot-klibc: remove stale bbappend

The recipe is now using BBCLASSEXTEND = "klibc"

Signed-off-by: Andrea Adami <andrea.adami@gmail.com>
nandlogical: move to 1.1.0 and add BBCLASSEXTEND for the klibc version

Remove nandlogical-klibc recipe
Sync PV to 1.1.0 like the source tarball
Remove PR

Signed-off-by: Andrea Adami <andrea.adami@gmail.com>