BACKPORT: firmware: arm_scmi: Simplify error path in scmi_dvfs_device_opps_add()

Let's simplify the code in scmi_dvfs_device_opps_add() by using
dev_pm_opp_remove_all_dynamic() in the error path.

Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Link: https://lore.kernel.org/r/20230925131715.138411-8-ulf.hansson@linaro.org


Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>

Bug: 323966425
Change-Id: Ic2378e232588af5332cb7770287fec02342389eb
(cherry picked from commit 033ca4de)
[nikunj: Resolved minor conflict in drivers/firmware/arm_scmi/perf.c ]
Signed-off-by: Nikunj Kela <quic_nkela@quicinc.com>
Signed-off-by: Anant Goel <quic_anantg@quicinc.com>