Revert "arm_pmu: acpi: fix compile warnings"

hulk inclusion
category: feature
bugzilla: 16072
CVE: NA
---------------------------

This reverts commit af0a9606fb0823524e0f834d15f38c0223747087.
In Linux 5.3.0, SPE ACPI enablement has been upstreamed. SPE patches
in hulk-4.19 are the old version, and they need to be reverted
to the mainline version.
Signed-off-by: NHongbo Yao <yaohongbo@huawei.com>
Reviewed-by: NHanjun Guo <guohanjun@huawei.com>
Signed-off-by: NYang Yingliang <yangyingliang@huawei.com>

drivers/perf/arm_pmu_acpi.c

@@ -96,7 +96,7 @@ static struct platform_device spe_dev = {
 static int arm_spe_acpi_parse_irqs(void)
 {
 	int cpu, ret, irq;
-	u32 gsi = 0;
+	u32 flags, gsi;
 	bool first = true;
 
 	struct acpi_madt_generic_interrupt *gicc;