package/glibc/riscv32: update LICENSE file hash

package/glibc/riscv32: update LICENSE file hash

The LICENSE file hash wasn't changed with the last glibc bump for riscv32 [1].
The change is due to upstream LICENSE file update between glibc 2.26 and 2.29
[2] [3].

This issue was discovered by toolchain-builder [4].

[1] a4958567284026f979f6e0056a5b98bedd77e88f
[2] https://sourceware.org/git/?p=glibc.git;a=commit;h=7f9f1ecb710eac4d65bb02785ddf288cac098323
[3] https://sourceware.org/git/?p=glibc.git;a=commit;h=5a357506659f9a00fcf5bc9c5d8fc676175c89a7
[4] https://gitlab.com/kubu93/toolchains-builder/-/jobs/423826546

Signed-off-by: Romain Naour <romain.naour@smile.fr>
Cc: Alistair Francis <alistair@alistair23.me>
Cc: Mark Corbin <mark@dibsco.co.uk>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>