feat(mt8186): disable 26MHz clock while suspending

Change resource_req to 0 to disable 26MHz clock.
SPM firmware will pull-down SRCLKENA0 after 26MHz off while suspending.

TEST=verify 26MHz clock off using the oscilloscope.
BUG=b:215639203

Change-Id: I05702d14a015cabccd6d4af0e3f2a534fbe4dd12
1 file changed