package/lld: bump to version 9.0.0

package/lld: bump to version 9.0.0

Since v9.0.0, it was relicensed to the Apache License 2.0 with
LLVM Exceptions. Update the license file hash.

lld package must use the same version as llvm package.

llvm 9.0.0 renamed some define that break the build for lld <= 8.0.0.
https://github.com/llvm-mirror/lld/commit/66fca3a6b8cc0112a4c72237ffaea5eb4b659e3f

Fixes:
http://autobuild.buildroot.org/results/9a0/9a0534c4206b40963d32494ff9675543e78125d1

Signed-off-by: Romain Naour <romain.naour@smile.fr>
Cc: Joseph Kogut <joseph.kogut@gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>