Update local unixbench patch

[bssrikanth]

Due to upstream unixbench changes, local unixbench patch apply was failing. This commit rebases the
local unixbench patch to recent upstream version.

Unixbench install Issue on latest lkp-tests:

==> Starting patch_source()...
patching file UnixBench/Makefile
Hunk #2 FAILED at 90.
1 out of 2 hunks FAILED -- saving rejects to file UnixBench/Makefile.rej
patching file UnixBench/Run
==> ERROR: A failure occurred in patch_source().
    Aborting...
Install unixbench failed

After this patch:

==> Starting patch_source()...
patching file UnixBench/Makefile
patching file UnixBench/Run
==> Starting build()...
make distr
make[1]: Entering directory '/home/LKP/lkp-tests/tmp-pkg/unixbench/src/byte-unixbench/UnixBench'
Checking distribution of files
./pgms  exists
./src  exists
./testdir  exists
make[1]: Leaving directory '/home/LKP/lkp-tests/tmp-pkg/unixbench/src/byte-unixbench/UnixBench'
make programs
make[1]: Entering directory '/home/LKP/lkp-tests/tmp-pkg/unixbench/src/byte-unixbench/UnixBench'
cc -o pgms/arithoh -march=x86-64 -mtune=generic -O2 -pipe -fstack-protector-strong --param=ssp-buffer-size=4 -Wall -pedantic -O3 -ffast-math -I ./src 
..
..
Setting up unixbench-lkp (2025-02-12) ...
install succeed

[rli9]

thanks for the patch