package/ltp-testsuite: backport 3 more musl related patches

0009-nfsv4-acl-Remove-unneeded-malloc-sizeof-FILE.patch is fixing
following reports (other 2 has not been reported due previous)

Fixes:
http://autobuild.buildroot.net/results/a38a5d8deaa365f73db427911df68dd10c6930a6
http://autobuild.buildroot.net/results/dfa173caea08876ab69dd959da146b75750cdd28
http://autobuild.buildroot.net/results/1e602f1574e9134a44d5d66838e7851b38e8069a
http://autobuild.buildroot.net/results/f1b4b129ec94795b2144b4501b4301fb20892e71



Signed-off-by: Petr Vorel <petr.vorel@gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>