soc: mediatek: avoid hardcoded value with bus_prot_mask

use a meaningful definition for bus_prot_mask instead of just hardcoded
for it.

Signed-off-by: Sean Wang <[e-mail]>
Reviewed-by: Ulf Hansson <[e-mail]>
Signed-off-by: Matthias Brugger <[e-mail]>

drivers/soc/mediatek/mtk-scpsys.c

···
 		.name = "conn",
 		.sta_mask = PWR_STATUS_CONN,
 		.ctl_offs = SPM_CONN_PWR_CON,
-		.bus_prot_mask = 0x0104,
+		.bus_prot_mask = MT2701_TOP_AXI_PROT_EN_CONN_M |
+				 MT2701_TOP_AXI_PROT_EN_CONN_S,
 		.clk_id = {CLK_NONE},
 		.active_wakeup = true,
 	},
···
 		.ctl_offs = SPM_DIS_PWR_CON,
 		.sram_pdn_bits = GENMASK(11, 8),
 		.clk_id = {CLK_MM},
-		.bus_prot_mask = 0x0002,
+		.bus_prot_mask = MT2701_TOP_AXI_PROT_EN_MM_M0,
 		.active_wakeup = true,
 	},
 	[MT2701_POWER_DOMAIN_MFG] = {

include/linux/soc/mediatek/infracfg.h

···
 #define MT8173_TOP_AXI_PROT_EN_MFG_M1		BIT(22)
 #define MT8173_TOP_AXI_PROT_EN_MFG_SNOOP_OUT	BIT(23)
 
+#define MT2701_TOP_AXI_PROT_EN_MM_M0		BIT(1)
+#define MT2701_TOP_AXI_PROT_EN_CONN_M		BIT(2)
+#define MT2701_TOP_AXI_PROT_EN_CONN_S		BIT(8)
+
 #define MT7622_TOP_AXI_PROT_EN_ETHSYS		(BIT(3) | BIT(17))
 #define MT7622_TOP_AXI_PROT_EN_HIF0		(BIT(24) | BIT(25))
 #define MT7622_TOP_AXI_PROT_EN_HIF1		(BIT(26) | BIT(27) | \