soc: bcm: brcmstb: biuctrl: Update layout for A72 on 7211

The BIUCTRL layout is a little different on 7211 which is equipped with
a Cortex-A72, account for those register offset differences. We will
match 7211 specifically in a subsequent commit.

Signed-off-by: Florian Fainelli <[e-mail]>

drivers/soc/bcm/brcmstb/biuctrl.c

···
 	[CPU_WRITEBACK_CTRL_REG] = 0x22c,
 };
 
+static const int a72_cpubiuctrl_regs[] = {
+	[CPU_CREDIT_REG] = 0x18,
+	[CPU_MCP_FLOW_REG] = 0x1c,
+	[CPU_WRITEBACK_CTRL_REG] = 0x20,
+};
+
 #define NUM_CPU_BIUCTRL_REGS	3
 
 static int __init mcp_write_pairing_set(void)
···
 		cpubiuctrl_regs = b15_cpubiuctrl_regs;
 	else if (of_device_is_compatible(cpu_dn, "brcm,brahma-b53"))
 		cpubiuctrl_regs = b53_cpubiuctrl_regs;
+	else if (of_device_is_compatible(cpu_dn, "arm,cortex-a72"))
+		cpubiuctrl_regs = a72_cpubiuctrl_regs;
 	else {
 		pr_err("unsupported CPU\n");
 		ret = -EINVAL;