soc: mediatek: pm-domains: Add buck isolation offset and mask to power domain data

Add buck isolation offset and mask to power domain data.
Signed-off-by: Allen-KH Cheng <allen-kh.cheng@mediatek.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://lore.kernel.org/r/20230117032640.13504-2-allen-kh.cheng@mediatek.comSigned-off-by: Matthias Brugger <matthias.bgg@gmail.com>

drivers/soc/mediatek/mtk-pm-domains.h

@@ -81,6 +81,8 @@ struct scpsys_bus_prot_data {
  * @ctl_offs: The offset for main power control register.
  * @sram_pdn_bits: The mask for sram power control bits.
  * @sram_pdn_ack_bits: The mask for sram power control acked bits.
+ * @ext_buck_iso_offs: The offset for external buck isolation
+ * @ext_buck_iso_mask: The mask for external buck isolation
  * @caps: The flag for active wake-up action.
  * @bp_infracfg: bus protection for infracfg subsystem
  * @bp_smi: bus protection for smi subsystem
@@ -91,6 +93,8 @@ struct scpsys_domain_data {
 	int ctl_offs;
 	u32 sram_pdn_bits;
 	u32 sram_pdn_ack_bits;
+	int ext_buck_iso_offs;
+	u32 ext_buck_iso_mask;
 	u8 caps;
 	const struct scpsys_bus_prot_data bp_infracfg[SPM_MAX_BUS_PROT_DATA];
 	const struct scpsys_bus_prot_data bp_smi[SPM_MAX_BUS_PROT_DATA];