power: sequencing: thead-gpu: use new defines for match() return values
Replace the magic numbers with proper defines we now have in the header.
Reviewed-by: Ulf Hansson <ulf.hansson@linaro.org>
Link: https://lore.kernel.org/r/20250624-pwrseq-match-defines-v1-5-a59d90a951f1@linaro.org
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>