arm64: cpufeature: Fix typos in comment

Fix up one typos: CTR_E0 -> CTR_EL0

Cc: Will Deacon <will@kernel.org>
Acked-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Signed-off-by: Shaokun Zhang <zhangshaokun@hisilicon.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>

arch/arm64/kernel/cpuinfo.c

@@ -329,7 +329,7 @@ static void __cpuinfo_store_cpu(struct cpuinfo_arm64 *info)
 	info->reg_cntfrq = arch_timer_get_cntfrq();
 	/*
 	 * Use the effective value of the CTR_EL0 than the raw value
-	 * exposed by the CPU. CTR_E0.IDC field value must be interpreted
+	 * exposed by the CPU. CTR_EL0.IDC field value must be interpreted
 	 * with the CLIDR_EL1 fields to avoid triggering false warnings
 	 * when there is a mismatch across the CPUs. Keep track of the
 	 * effective value of the CTR_EL0 in our internal records for