ANDROID: GKI: qcom: Fix compile issue when setting msm_lmh_dcvs as a module

Partial cherry picked from commit 5cb59eb5283f6f5a900c3c4971f7efbd83b7e43a
("qcom: Fix compile issue when setting msm_lmh_dcvs as a module")
adjusted: kernel/trace/power-traces.c
 skipped: drivers/thermal/qcom/lmh_dbg.h
          drivers/thermal/qcom/msm_lmh_dcvs.c

Export the trace symbol -- clock_set_rate -- for the msm_lmh_dcvs
driver.

Signed-off-by: Will McVicker <willmcvicker@google.com>
Change-Id: Ic68bc07997d73ba55f9ba7deff7dc7eef320e4bf
(cherry picked from commit 5cb59eb5283f6f5a900c3c4971f7efbd83b7e43a)
Signed-off-by: Mark Salyzyn <salyzyn@google.com>
Bug: 154153737