Add a set of kunit test cases for the power sequencing subsystem. Also
fix an issue I noticed when writing the tests.

Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@oss.qualcomm.com>
---
Bartosz Golaszewski (2):
      power: sequencing: don't call .post_enable() if pwrseq_unit_enable() failed
      power: sequencing: add kunit test cases

 drivers/power/sequencing/Kconfig        |   10 +
 drivers/power/sequencing/Makefile       |    1 +
 drivers/power/sequencing/core.c         |    2 +
 drivers/power/sequencing/pwrseq-kunit.c | 1497 +++++++++++++++++++++++++++++++
 4 files changed, 1510 insertions(+)
---
base-commit: cee9395acd8043be0644b25c34bfa86623f2b935
change-id: 20260629-pwrseq-kunit-367029f9b446

Best regards,
-- 
Bartosz Golaszewski <bartosz.golaszewski@oss.qualcomm.com>