ANDROID: GKI: power: add missing export for POWER_RESET_QCOM=m

This is needed for reset drivers to be modules.

Test: build, boot
Bug: 144581721
Signed-off-by: Mark Salyzyn <salyzyn@google.com>
Signed-off-by: Saravana Kannan <saravanak@google.com>
Change-Id: Ia29ce7b23e686cd9a2902d32aa41f5796f096947
(cherry picked from commit da11a4eec4a9399ac58fe83f8e16177a2b1507fa)
 [hridya: also squashed 9a7950dfa6000c3959df9387a8de10d846e1b1a5]
Signed-off-by: Hridya Valsaraju <hridya@google.com>