sycl: fix row calculation when K_QUANTS_PER_ITERATION is 1 (#25690)

sycl: fix row calculation when K_QUANTS_PER_ITERATION is 1 (#25690)

* sycl: fix incorrect row calculation when K_QUANTS_PER_ITERATION=1

Signed-off-by: Todd Malsbary <redacted>
* sycl: use K_QUANTS_PER_ITERATION for non-reordered Q5_K kernel

This is the only Q5_K kernel that was not using KQPI.

Signed-off-by: Todd Malsbary <redacted>
* sycl: add missing second half processing to reordered q5_k

Error found while running

  GGML_SYCL_PRIORITIZE_DMMV=1 \
  build/bin/test-backend-ops test -o MUL_MAT

Signed-off-by: Todd Malsbary <redacted>
* sycl: fix potential off-by-one error

Signed-off-by: Todd Malsbary <redacted>
* sycl: fix missing row > nrows check

Signed-off-by: Todd Malsbary <redacted>
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Signed-off-by: Todd Malsbary <redacted>