kabi: Fix "PCI: Decode PCIe 32 GT/s link speed"

hulk inclusion
category: Bugfix
bugzilla: https://gitee.com/openeuler/kernel/issues/I47H3V
CVE: NA

-------------------------------------------------

Fix kabi broken introduced by the following commit:
"PCI: Decode PCIe 32 GT/s link speed".
Signed-off-by: NZheng Zengkai <zhengzengkai@huawei.com>
Reviewed-by: NXie XiuQi <xiexiuqi@huawei.com>
Signed-off-by: NYang Yingliang <yangyingliang@huawei.com>

include/linux/pci.h

@@ -259,7 +259,9 @@ enum pci_bus_speed {
 	PCIE_SPEED_5_0GT		= 0x15,
 	PCIE_SPEED_8_0GT		= 0x16,
 	PCIE_SPEED_16_0GT		= 0x17,
+#ifndef __GENKSYMS__
 	PCIE_SPEED_32_0GT		= 0x18,
+#endif
 	PCI_SPEED_UNKNOWN		= 0xff,
 };