fix data type for values in kai_rhs_pack_nxk_qsi4cxps1s0_qsu4cxs1s0_neon
update unit test to test signed integer inputs Resolves: KLEIDIAI-664
Signed-off-by: Evie Wright evie.wright@arm.com
update unit test to test signed integer inputs Resolves: KLEIDIAI-664
Signed-off-by: Evie Wright evie.wright@arm.com