soc: qcom: rpmhpd: Remove mx/cx relationship on sc7280

The requirement to specify the active + sleep and active-only MX
power-domains as the parents of the corresponding CX power domains is
not applicable on sc7280. Fix it by using the cx/cx_ao structs for
sc7280 instead of the _w_mx_parent ones.

Signed-off-by: Rajendra Nayak <quic_rjendra@quicinc.com>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/1639063917-9011-4-git-send-email-quic_rjendra@quicinc.com

Author: Rajendra Nayak

drivers/soc/qcom/rpmhpd.c

@@ -325,8 +325,8 @@ static const struct rpmhpd_desc sc7180_desc = {
 
 /* SC7280 RPMH powerdomains */
 static struct rpmhpd *sc7280_rpmhpds[] = {
-	[SC7280_CX] = &cx_w_mx_parent,
-	[SC7280_CX_AO] = &cx_ao_w_mx_parent,
+	[SC7280_CX] = &cx,
+	[SC7280_CX_AO] = &cx_ao,
 	[SC7280_EBI] = &ebi,
 	[SC7280_GFX] = &gfx,
 	[SC7280_MX] = &mx,